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How far is Chiang Rai from Phnom Penh?

The distance between Phnom Penh (Phnom Penh International Airport) and Chiang Rai (Chiang Rai International Airport) is 666 miles / 1071 kilometers / 578 nautical miles.

The driving distance from Phnom Penh (PNH) to Chiang Rai (CEI) is 879 miles / 1415 kilometers, and travel time by car is about 17 hours 7 minutes.

Phnom Penh International Airport – Chiang Rai International Airport

Distance arrow
666
Miles
Distance arrow
1071
Kilometers
Distance arrow
578
Nautical miles

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Distance from Phnom Penh to Chiang Rai

There are several ways to calculate the distance from Phnom Penh to Chiang Rai. Here are two standard methods:

Vincenty's formula (applied above)
  • 665.541 miles
  • 1071.084 kilometers
  • 578.339 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 667.756 miles
  • 1074.649 kilometers
  • 580.264 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).

How long does it take to fly from Phnom Penh to Chiang Rai?

The estimated flight time from Phnom Penh International Airport to Chiang Rai International Airport is 1 hour and 45 minutes.

What is the time difference between Phnom Penh and Chiang Rai?

There is no time difference between Phnom Penh and Chiang Rai.

Flight carbon footprint between Phnom Penh International Airport (PNH) and Chiang Rai International Airport (CEI)

On average, flying from Phnom Penh to Chiang Rai generates about 121 kg of CO2 per passenger, and 121 kilograms equals 266 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Phnom Penh to Chiang Rai

See the map of the shortest flight path between Phnom Penh International Airport (PNH) and Chiang Rai International Airport (CEI).

Airport information

Origin Phnom Penh International Airport
City: Phnom Penh
Country: Cambodia Flag of Cambodia
IATA Code: PNH
ICAO Code: VDPP
Coordinates: 11°32′47″N, 104°50′38″E
Destination Chiang Rai International Airport
City: Chiang Rai
Country: Thailand Flag of Thailand
IATA Code: CEI
ICAO Code: VTCT
Coordinates: 19°57′8″N, 99°52′58″E