Fort Collins to Jacksonville, Illinois: Road Trip Guide & Distance

How far is Fort Collins from Jacksonville, Illinois?

The distance from Fort Collins to Jacksonville, Illinois is 785.7 miles (1264.5 km) as the crow flies. Jacksonville, Illinois is located E of Fort Collins. By car, the driving distance is approximately 942.9 miles, taking about 18h 58min. A direct flight would take roughly 2h 5min. Both are located in United States — Fort Collins in Colorado and Jacksonville, Illinois in Illinois.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for Fort Collins and Jacksonville, 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.