Flight Time from Kosong to Tonghae
The flight from Kosong to Tonghae covers about 67 mi and takes roughly 37 min nonstop. Flight duration estimate and fare guide.
37 min
Nonstop flight
67 mi
Straight-line
88 mi
By road
37 min
Flight time
Kosong and Tonghae are about 67 mi (108 km) apart in a straight line. By road that works out to roughly 88 mi (141 km), a drive of about 2 hr 1 min. A nonstop flight covers the great-circle distance in approximately 37 min.
| Straight-line distance | 67 mi / 108 km |
| Road distance (est.) | 88 mi / 141 km |
| Driving time (est.) | 2 hr 1 min |
| Nonstop flight (est.) | 37 min |
| Driving fuel (est., 1-way) | $11 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 37.962, 128.789 |
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
Kosong to Tonghae is about 67 mi (108 km) in a straight line, and roughly 88 mi (141 km) by road.