Distance from Qazvin to Semnan
How far is it from Qazvin to Semnan? About 195 mi in a straight line and 238 mi by road. Driving time, flight time, midpoint and route details.
Qazvin and Semnan are about 195 mi (315 km) apart in a straight line. By road that works out to roughly 238 mi (384 km), a drive of about 4 hr 16 min. A nonstop flight covers the great-circle distance in approximately 52 min.
| Straight-line distance | 195 mi / 315 km |
| Road distance (est.) | 238 mi / 384 km |
| Driving time (est.) | 4 hr 16 min |
| Nonstop flight (est.) | 52 min |
| Driving fuel (est., 1-way) | $30 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 35.935, 51.706 |
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
Qazvin to Semnan is about 195 mi (315 km) in a straight line, and roughly 238 mi (384 km) by road.