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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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246
Miles
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396
Kilometers
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214
Nautical miles

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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.

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 Flag of 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 Flag of Vietnam
IATA Code: HPH
ICAO Code: VVCI
Coordinates: 20°49′9″N, 106°43′29″E