# Distance between Tongliao (TGO) and Yan'an (ENY)

Flight distance from Tongliao to Yan'an (Tongliao Airport – Yan'an Nanniwan Airport) is 832 miles / 1339 kilometers / 723 nautical miles. Estimated flight time is 2 hours 4 minutes.

Driving distance from Tongliao (TGO) to Yan'an (ENY) is 1038 miles / 1670 kilometers and travel time by car is about 17 hours 44 minutes.

## Map of flight path and driving directions from Tongliao to Yan'an.

Shortest flight path between Tongliao Airport (TGO) and Yan'an Nanniwan Airport (ENY).

## How far is Yan'an from Tongliao?

There are several ways to calculate distances between Tongliao and Yan'an. Here are two common methods:

Vincenty's formula (applied above)
• 832.116 miles
• 1339.162 kilometers
• 723.089 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
• 831.169 miles
• 1337.636 kilometers
• 722.266 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).

## Airport information

A Tongliao Airport
City: Tongliao
Country: China
IATA Code: TGO
ICAO Code: ZBTL
Coordinates: 43°33′24″N, 122°11′59″E

B Yan'an Nanniwan Airport
City: Yan'an
Country: China
IATA Code: ENY
ICAO Code: ZLYA
Coordinates: 36°28′35″N, 109°27′55″E

## Time difference and current local times

There is no time difference between Tongliao and Yan'an.

CST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 138 kg (304 pounds).

## Frequent Flyer Miles Calculator

Tongliao (TGO) → Yan'an (ENY).

Distance:
832
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
832

Round trip?