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

How far is O'Fallon, Illinois from Vicksburg?

The distance from O'Fallon, Illinois to Vicksburg is 434.5 miles (699.3 km) as the crow flies. Vicksburg is located S of O'Fallon, Illinois. By car, the driving distance is approximately 521.5 miles, taking about 10h 29min. A direct flight would take roughly 1h 22min. Both are located in United States — O'Fallon, Illinois in Illinois and Vicksburg in Mississippi.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. As you head South, expect warmer temperatures. Make sure your car's AC is working well before embarking on this journey.

Coordinates come from public place data for O'Fallon, Illinois and Vicksburg. 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.