Flight Time from Hongch’ŏn to Kosong
The flight from Hongch’ŏn to Kosong covers about 57 mi and takes roughly 36 min nonstop. Flight duration estimate and fare guide.
Hongch’ŏn and Kosong are about 57 mi (92 km) apart in a straight line. By road that works out to roughly 74 mi (119 km), a drive of about 1 hr 42 min. A nonstop flight covers the great-circle distance in approximately 36 min.
| Straight-line distance | 57 mi / 92 km |
| Road distance (est.) | 74 mi / 119 km |
| Driving time (est.) | 1 hr 42 min |
| Nonstop flight (est.) | 36 min |
| Driving fuel (est., 1-way) | $9 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 38.036, 128.175 |
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
Hongch’ŏn to Kosong is about 57 mi (92 km) in a straight line, and roughly 74 mi (119 km) by road.