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Around O'Fallon ...

For comparison, O'Fallon has a population of 29,600 people.

The following is a sample of nearby communities based on their distance from O'Fallon, with the nearest first.

  • Petersburg
    (Less than 2 miles to the west)
    • Note: The GPS coordinates that we are using for Petersburg have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Petersburg
    • Petersburg is located in Saint Clair County
  • Shiloh
    (2 miles [3.2 km] to the south)
    • Note: The GPS coordinates that we are using for Shiloh have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Shiloh
    • Shiloh is located in Saint Clair County
    • Population from the 2020 Census: 13,653 people
    • Jump to TripAdvisor's Tourism page for Shiloh <3>
  • Swansea
    (4 miles [6.4 km] to the southwest)
    • Note: The GPS coordinates that we are using for Swansea have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Swansea
    • Swansea is located in Saint Clair County
    • Population from the 2020 Census: 13,276 people
    • Jump to TripAdvisor's Tourism page for Swansea <3>
  • Fairview Heights
    (5 miles [8 km] to the west)
    • Note: The GPS coordinates that we are using for Fairview Heights have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Fairview Heights
    • Fairview Heights is located in Saint Clair County
    • Population from the 2020 Census: 16,127 people
    • Jump to TripAdvisor's Tourism page for Fairview Heights <3>
  • Lebanon
    (5 miles [8 km] to the east)
    • Note: The GPS coordinates that we are using for Lebanon have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Lebanon
    • Lebanon is located in Saint Clair County
    • Population from the 2020 Census: 4,225 people
    • Jump to TripAdvisor's Tourism page for Lebanon <3>
  • Summit
    (5 miles [8 km] to the southwest)
    • Note: The GPS coordinates that we are using for Summit have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Summit
    • Summit is located in Saint Clair County
  • Belleville
    (6 miles [9.7 km] to the southwest)
  • Caseyville
    (6 miles [9.7 km] to the northwest)
  • Collinsville
    (6 miles [9.7 km] to the northwest)
  • Continue List   (6 more) ...

For more communities neighboring O'Fallon, please visit our County-by-County Page for O'Fallon.

Saint Clair County ...

O'Fallon is located in Saint Clair County<5>.

The following counties adjoin and form the boundaries of Saint Clair County: Clinton, Madison, Monroe, Randolph, Washington, Saint Louis City (MO) & Saint Louis (MO).

Curious and Interesting Names Near O'Fallon ...

It seems like there is always a nearby community with a name that seems interesting, maybe familiar or just catches our attention in some other way. We've collected some names which strike us as being curious or interesting. Our list can be found on the Tidbits & Trivia Page for O'Fallon.

Airports Near O'Fallon ...

When a trip includes a flight, we try to find an airport that best fits our travel plans.<6> To that purpose, we've assembled a list of that are relatively close to O'Fallon and that information can be found on the Airports Page for O'Fallon.

TripAdvisor Tourism Pages for O'Fallon ...

Looking for more information about O'Fallon? A good source is the TripAdvisor website and we always start with their TripAdvisor page for O'Fallon. Their page will give you an overview and then additional links that will help you to find lodging, restaurants and attractions.

In addition to the TripAdvisor page for O'Fallon, there are neighboring communities that also have TripAdvisor pages. A list of those communities can be found on our TripAdvisor Page for O'Fallon.

Websites We Enjoy ...

When we're planning a trip, we like to check the following websites for sights, attractions and places to visit.

The official website for O'Fallon: www.ofallon.org/

The official website for Saint Clair County: www.co.st-clair.il.us/

The official website for State of Illinois: https://illinois.gov

Footnotes ...

<1>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for O'Fallon.
<2>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<3>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<4>An 'estimated' location is one where we have been given GPS coordinates, but are unable to verify the accuracy of those coordinates. That said, we have some confidence that we have placed the marker near the actual location. A typical reason for being unable to verify a location is that it might be on private property or maybe historic and gone without an obvious trace.
<5>If you're interested in how the shape of Illinois' counties, including Saint Clair, have changed over time, we recommend the Atlas of Historical County Boundaries.
<6>When we are planning a trip (for example, to O'Fallon), we usually look for the obvious: the choice of airlines that fly into the airport, the number of flights, the connections we have to make, which car rentals are available, etc. We also look for sights and attractions that we might find between any given airport and our destination - we do love exploring. We're willing to fly into a more distant airport if we can get the services and amenities that we like. Even though our choice of airport might be inconvenient to others, it usually gives us a better trip.




 

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This page was last modified/updated: 19 Mar 2025