Flight Time from Kathmandu to Sītāmarhi
The flight from Kathmandu to Sītāmarhi covers about 77 mi and takes roughly 39 min nonstop. Flight duration estimate and fare guide.
Kathmandu and Sītāmarhi are about 77 mi (124 km) apart in a straight line. By road that works out to roughly 100 mi (162 km), a drive of about 1 hr 48 min. A nonstop flight covers the great-circle distance in approximately 39 min.
| Straight-line distance | 77 mi / 124 km |
| Road distance (est.) | 100 mi / 162 km |
| Driving time (est.) | 1 hr 48 min |
| Nonstop flight (est.) | 39 min |
| Driving fuel (est., 1-way) | $13 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 27.148, 85.406 |
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
Kathmandu to Sītāmarhi is about 77 mi (124 km) in a straight line, and roughly 100 mi (162 km) by road.