How far is Chiang Mai from Haiphong?
The distance between Haiphong (Cat Bi International Airport) and Chiang Mai (Chiang Mai International Airport) is 525 miles / 844 kilometers / 456 nautical miles.
The driving distance from Haiphong (HPH) to Chiang Mai (CNX) is 831 miles / 1337 kilometers, and travel time by car is about 18 hours 53 minutes.
Cat Bi International Airport – Chiang Mai International Airport
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Distance from Haiphong to Chiang Mai
There are several ways to calculate the distance from Haiphong to Chiang Mai. Here are two standard methods:
Vincenty's formula (applied above)- 524.676 miles
- 844.385 kilometers
- 455.931 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- 524.116 miles
- 843.482 kilometers
- 455.444 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 Mai?
The estimated flight time from Cat Bi International Airport to Chiang Mai International Airport is 1 hour and 29 minutes.
What is the time difference between Haiphong and Chiang Mai?
There is no time difference between Haiphong and Chiang Mai.
Flight carbon footprint between Cat Bi International Airport (HPH) and Chiang Mai International Airport (CNX)
On average, flying from Haiphong to Chiang Mai generates about 102 kg of CO2 per passenger, and 102 kilograms equals 225 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 Mai
See the map of the shortest flight path between Cat Bi International Airport (HPH) and Chiang Mai International Airport (CNX).
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 Mai International Airport |
|---|---|
| City: | Chiang Mai |
| Country: | Thailand  |
| IATA Code: | CNX |
| ICAO Code: | VTCC |
| Coordinates: | 18°46′0″N, 98°57′45″E |