Driving Time from Casper to Fort Collins
Driving from Casper to Fort Collins is about 221 mi and takes roughly 3 hr 57 min. See the fuel-cost estimate, distance and route tips.
Casper and Fort Collins are about 170 mi (273 km) apart in a straight line. By road that works out to roughly 221 mi (355 km), a drive of about 3 hr 57 min. A nonstop flight covers the great-circle distance in approximately 49 min.
| Straight-line distance | 170 mi / 273 km |
| Road distance (est.) | 221 mi / 355 km |
| Driving time (est.) | 3 hr 57 min |
| Nonstop flight (est.) | 49 min |
| Driving fuel (est., 1-way) | $28 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 41.728, -105.688 |
How these estimates work
Straight-line distance uses the haversine formula on each city's coordinates. Road distance applies a circuity factor (~1.2–1.4×) and driving time a blended average speed. Flight time uses typical jet cruise speed plus ~30 minutes for taxi, climb and descent. Treat all figures as planning estimates.
Frequently asked questions
Casper to Fort Collins is about 170 mi (273 km) in a straight line, and roughly 221 mi (355 km) by road.