How far is Chiang Rai from Haiphong?
The distance between Haiphong (Cat Bi International Airport) and Chiang Rai (Chiang Rai International Airport) is 448 miles / 721 kilometers / 389 nautical miles.
The driving distance from Haiphong (HPH) to Chiang Rai (CEI) is 707 miles / 1138 kilometers, and travel time by car is about 15 hours 44 minutes.
Cat Bi International Airport – Chiang Rai International Airport
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Distance from Haiphong to Chiang Rai
There are several ways to calculate the distance from Haiphong to Chiang Rai. Here are two standard methods:
Vincenty's formula (applied above)- 447.764 miles
- 720.607 kilometers
- 389.097 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- 447.129 miles
- 719.585 kilometers
- 388.545 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 Haiphong to Chiang Rai?
The estimated flight time from Cat Bi International Airport to Chiang Rai International Airport is 1 hour and 20 minutes.
What is the time difference between Haiphong and Chiang Rai?
There is no time difference between Haiphong and Chiang Rai.
Flight carbon footprint between Cat Bi International Airport (HPH) and Chiang Rai International Airport (CEI)
On average, flying from Haiphong to Chiang Rai generates about 91 kg of CO2 per passenger, and 91 kilograms equals 200 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Haiphong to Chiang Rai
See the map of the shortest flight path between Cat Bi International Airport (HPH) and Chiang Rai International Airport (CEI).
Airport information
| Origin | Cat Bi International Airport |
|---|---|
| City: | Haiphong |
| Country: | Vietnam  |
| IATA Code: | HPH |
| ICAO Code: | VVCI |
| Coordinates: | 20°49′9″N, 106°43′29″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 |