# Distance between Tianshui (THQ) and Ha Long (VDO)

Flight distance from Tianshui to Ha Long (Tianshui Maijishan Airport – Van Don International Airport) is 930 miles / 1497 kilometers / 809 nautical miles. Estimated flight time is 2 hours 15 minutes.

Driving distance from Tianshui (THQ) to Ha Long (VDO) is 1224 miles / 1970 kilometers and travel time by car is about 21 hours 57 minutes.

## Map of flight path and driving directions from Tianshui to Ha Long.

Shortest flight path between Tianshui Maijishan Airport (THQ) and Van Don International Airport (VDO).

## How far is Ha Long from Tianshui?

There are several ways to calculate distances between Tianshui and Ha Long. Here are two common methods:

Vincenty's formula (applied above)
• 930.427 miles
• 1497.378 kilometers
• 808.519 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
• 933.528 miles
• 1502.368 kilometers
• 811.214 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 Tianshui Maijishan Airport
City: Tianshui
Country: China
IATA Code: THQ
ICAO Code: ZLTS
Coordinates: 34°33′33″N, 105°51′36″E

B Van Don International Airport
City: Ha Long
Country: Vietnam
IATA Code: VDO
ICAO Code: VVVD
Coordinates: 21°7′4″N, 107°24′51″E

## Time difference and current local times

The time difference between Tianshui and Ha Long is 1 hour. Ha Long is 1 hour behind Tianshui.

CST

+07

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 146 kg (322 pounds).

## Frequent Flyer Miles Calculator

Tianshui (THQ) → Ha Long (VDO).

Distance:
930
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
930

Round trip?