How far is Haiphong from Sanya?
The distance between Sanya (Sanya Phoenix International Airport) and Haiphong (Cat Bi International Airport) is 246 miles / 396 kilometers / 214 nautical miles.
The driving distance from Sanya (SYX) to Haiphong (HPH) is 574 miles / 923 kilometers, and travel time by car is about 14 hours 57 minutes.
Sanya Phoenix International Airport – Cat Bi International Airport
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Distance from Sanya to Haiphong
There are several ways to calculate the distance from Sanya to Haiphong. Here are two standard methods:
Vincenty's formula (applied above)- 246.274 miles
- 396.339 kilometers
- 214.006 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- 246.634 miles
- 396.919 kilometers
- 214.319 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 Sanya to Haiphong?
The estimated flight time from Sanya Phoenix International Airport to Cat Bi International Airport is 57 minutes.
What is the time difference between Sanya and Haiphong?
The time difference between Sanya and Haiphong is 1 hour. Haiphong is 1 hour behind Sanya.
Flight carbon footprint between Sanya Phoenix International Airport (SYX) and Cat Bi International Airport (HPH)
On average, flying from Sanya to Haiphong generates about 61 kg of CO2 per passenger, and 61 kilograms equals 135 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Sanya to Haiphong
See the map of the shortest flight path between Sanya Phoenix International Airport (SYX) and Cat Bi International Airport (HPH).
Airport information
| Origin | Sanya Phoenix International Airport |
|---|---|
| City: | Sanya |
| Country: | China  |
| IATA Code: | SYX |
| ICAO Code: | ZJSY |
| Coordinates: | 18°18′10″N, 109°24′43″E |
| Destination | Cat Bi International Airport |
|---|---|
| City: | Haiphong |
| Country: | Vietnam  |
| IATA Code: | HPH |
| ICAO Code: | VVCI |
| Coordinates: | 20°49′9″N, 106°43′29″E |