Fort Collins to Watertown, South Dakota: Road Trip Guide & Distance

How far is Fort Collins from Watertown, South Dakota?

The distance from Fort Collins to Watertown, South Dakota is 502 miles (807.9 km) as the crow flies. Watertown, South Dakota is located NE of Fort Collins. By car, the driving distance is approximately 602.4 miles, taking about 12h 7min. A direct flight would take roughly 1h 31min. Both are located in United States — Fort Collins in Colorado and Watertown, South Dakota in South Dakota.

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.

Coordinates come from public place data for Fort Collins and Watertown, South Dakota. 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.