# Distance between Thandwe (SNW) and Chiang Mai (CNX)

Flight distance from Thandwe to Chiang Mai (Thandwe Airport – Chiang Mai International Airport) is 306 miles / 493 kilometers / 266 nautical miles. Estimated flight time is 1 hour 4 minutes.

Driving distance from Thandwe (SNW) to Chiang Mai (CNX) is 725 miles / 1166 kilometers and travel time by car is about 14 hours 44 minutes.

## Map of flight path and driving directions from Thandwe to Chiang Mai.

Shortest flight path between Thandwe Airport (SNW) and Chiang Mai International Airport (CNX).

## How far is Chiang Mai from Thandwe?

There are several ways to calculate distances between Thandwe and Chiang Mai. Here are two common methods:

Vincenty's formula (applied above)
• 306.458 miles
• 493.196 kilometers
• 266.305 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
• 306.020 miles
• 492.491 kilometers
• 265.924 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 Thandwe Airport
City: Thandwe
Country: Burma
IATA Code: SNW
ICAO Code: VYTD
Coordinates: 18°27′38″N, 94°18′0″E

B Chiang Mai International Airport
City: Chiang Mai
Country: Thailand
IATA Code: CNX
ICAO Code: VTCC
Coordinates: 18°46′0″N, 98°57′45″E

## Time difference and current local times

The time difference between Thandwe and Chiang Mai is 30 minutes. Chiang Mai is 30 minutes ahead of Thandwe.

+0630

+07

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 70 kg (155 pounds).

## Frequent Flyer Miles Calculator

Thandwe (SNW) → Chiang Mai (CNX).

Distance:
306
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
306

Round trip?