Driving Time from Great Falls to Seattle
Driving from Great Falls to Seattle is about 627 mi and takes roughly 10 hr 37 min. See the fuel-cost estimate, distance and route tips.
Great Falls and Seattle are about 514 mi (827 km) apart in a straight line. By road that works out to roughly 627 mi (1,009 km), a drive of about 10 hr 37 min. A nonstop flight covers the great-circle distance in approximately 1 hr 27 min.
| Straight-line distance | 514 mi / 827 km |
| Road distance (est.) | 627 mi / 1,009 km |
| Driving time (est.) | 10 hr 37 min |
| Nonstop flight (est.) | 1 hr 27 min |
| Driving fuel (est., 1-way) | $78 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 47.686, -116.811 |
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
Great Falls to Seattle is about 514 mi (827 km) in a straight line, and roughly 627 mi (1,009 km) by road.