How far is Chiang Rai from Heihe?
The distance between Heihe (Heihe Aihui Airport) and Chiang Rai (Chiang Rai International Airport) is 2569 miles / 4135 kilometers / 2232 nautical miles.
The driving distance from Heihe (HEK) to Chiang Rai (CEI) is 3183 miles / 5123 kilometers, and travel time by car is about 59 hours 22 minutes.
Heihe Aihui Airport – Chiang Rai International Airport
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Distance from Heihe to Chiang Rai
There are several ways to calculate the distance from Heihe to Chiang Rai. Here are two standard methods:
Vincenty's formula (applied above)- 2569.071 miles
- 4134.519 kilometers
- 2232.462 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- 2570.870 miles
- 4137.414 kilometers
- 2234.025 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 Heihe to Chiang Rai?
The estimated flight time from Heihe Aihui Airport to Chiang Rai International Airport is 5 hours and 21 minutes.
What is the time difference between Heihe and Chiang Rai?
The time difference between Heihe and Chiang Rai is 1 hour. Chiang Rai is 1 hour behind Heihe.
Flight carbon footprint between Heihe Aihui Airport (HEK) and Chiang Rai International Airport (CEI)
On average, flying from Heihe to Chiang Rai generates about 283 kg of CO2 per passenger, and 283 kilograms equals 624 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Heihe to Chiang Rai
See the map of the shortest flight path between Heihe Aihui Airport (HEK) and Chiang Rai International Airport (CEI).
Airport information
| Origin | Heihe Aihui Airport |
|---|---|
| City: | Heihe |
| Country: | China  |
| IATA Code: | HEK |
| ICAO Code: | ZYHE |
| Coordinates: | 50°10′17″N, 127°18′31″E |
| Destination | Chiang Rai International Airport |
|---|---|
| City: | Chiang Rai |
| Country: | Thailand  |
| IATA Code: | CEI |
| ICAO Code: | VTCT |
| Coordinates: | 19°57′8″N, 99°52′58″E |