Distance from Dadukou to Haikou
How far is it from Dadukou to Haikou? About 708 mi in a straight line and 836 mi by road. Driving time, flight time, midpoint and route details.
Dadukou and Haikou are about 708 mi (1,140 km) apart in a straight line. By road that works out to roughly 836 mi (1,345 km), a drive of about 14 hr 9 min. A nonstop flight covers the great-circle distance in approximately 1 hr 48 min.
| Straight-line distance | 708 mi / 1,140 km |
| Road distance (est.) | 836 mi / 1,345 km |
| Driving time (est.) | 14 hr 9 min |
| Nonstop flight (est.) | 1 hr 48 min |
| Driving fuel (est., 1-way) | $104 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 23.356, 106.129 |
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
Dadukou to Haikou is about 708 mi (1,140 km) in a straight line, and roughly 836 mi (1,345 km) by road.