How far is Chiang Rai from Herat?
The distance between Herat (Herat International Airport) and Chiang Rai (Chiang Rai International Airport) is 2502 miles / 4026 kilometers / 2174 nautical miles.
The driving distance from Herat (HEA) to Chiang Rai (CEI) is 3645 miles / 5866 kilometers, and travel time by car is about 73 hours 5 minutes.
Herat International Airport – Chiang Rai International Airport
Search flights
Distance from Herat to Chiang Rai
There are several ways to calculate the distance from Herat to Chiang Rai. Here are two standard methods:
Vincenty's formula (applied above)- 2501.504 miles
- 4025.780 kilometers
- 2173.747 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- 2499.018 miles
- 4021.779 kilometers
- 2171.587 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 Herat to Chiang Rai?
The estimated flight time from Herat International Airport to Chiang Rai International Airport is 5 hours and 14 minutes.
What is the time difference between Herat and Chiang Rai?
Flight carbon footprint between Herat International Airport (HEA) and Chiang Rai International Airport (CEI)
On average, flying from Herat to Chiang Rai generates about 275 kg of CO2 per passenger, and 275 kilograms equals 607 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Herat to Chiang Rai
See the map of the shortest flight path between Herat International Airport (HEA) and Chiang Rai International Airport (CEI).
Airport information
| Origin | Herat International Airport |
|---|---|
| City: | Herat |
| Country: | Afghanistan  |
| IATA Code: | HEA |
| ICAO Code: | OAHR |
| Coordinates: | 34°12′35″N, 62°13′41″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 |