Map of flight path and driving directions from Lanzhou to Songtao.
Shortest flight path between Lanzhou Zhongchuan International Airport (LHW) and Tongren Fenghuang Airport (TEN).
How far is Songtao from Lanzhou?
There are several ways to calculate distances between Lanzhou and Songtao. Here are two common methods:Vincenty's formula (applied above)
- 681.440 miles
- 1096.671 kilometers
- 592.155 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 682.528 miles
- 1098.423 kilometers
- 593.101 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Time difference and current local times
The time difference between Lanzhou and Songtao is 2 hours. Songtao is 2 hours behind Lanzhou.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 123 kg (270 pounds).
Frequent Flyer Miles Calculator
Lanzhou (LHW) → Songtao (TEN).