Arlington Heights to O'Fallon, Illinois: Road Trip Guide & Distance

How far is Arlington Heights from O'Fallon, Illinois?

The distance from Arlington Heights to O'Fallon, Illinois is 262 miles (421.7 km) as the crow flies. O'Fallon, Illinois is located SSW of Arlington Heights. By car, the driving distance is approximately 327.5 miles, taking about 6h 35min. A direct flight would take roughly 1h 2min. Both are located in United States.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.

Coordinates come from public place data for Arlington Heights and O'Fallon, Illinois. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.