Flight Time from Helong to Hyesan-dong
The flight from Helong to Hyesan-dong covers about 89 mi and takes roughly 40 min nonstop. Flight duration estimate and fare guide.
Helong and Hyesan-dong are about 89 mi (144 km) apart in a straight line. By road that works out to roughly 116 mi (187 km), a drive of about 2 hr 5 min. A nonstop flight covers the great-circle distance in approximately 40 min.
| Straight-line distance | 89 mi / 144 km |
| Road distance (est.) | 116 mi / 187 km |
| Driving time (est.) | 2 hr 5 min |
| Nonstop flight (est.) | 40 min |
| Driving fuel (est., 1-way) | $15 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 41.968, 128.589 |
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
Helong to Hyesan-dong is about 89 mi (144 km) in a straight line, and roughly 116 mi (187 km) by road.