Distance from Decatur to Huntsville
How far is it from Decatur to Huntsville? About 376 mi in a straight line and 459 mi by road. Driving time, flight time, midpoint and route details.
Decatur and Huntsville are about 376 mi (606 km) apart in a straight line. By road that works out to roughly 459 mi (739 km), a drive of about 7 hr 47 min. A nonstop flight covers the great-circle distance in approximately 1 hr 12 min.
| Straight-line distance | 376 mi / 606 km |
| Road distance (est.) | 459 mi / 739 km |
| Driving time (est.) | 7 hr 47 min |
| Nonstop flight (est.) | 1 hr 12 min |
| Driving fuel (est., 1-way) | $57 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 37.291, -87.730 |
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
Decatur to Huntsville is about 376 mi (606 km) in a straight line, and roughly 459 mi (739 km) by road.