How far is Simao from Haiphong?

The distance between Haiphong (Cat Bi International Airport) and Simao (Pu'er Simao Airport) is 395 miles / 635 kilometers / 343 nautical miles.

The driving distance from Haiphong (HPH) to Simao (SYM) is 543 miles / 874 kilometers, and travel time by car is about 10 hours 18 minutes.

Distance from Haiphong to Simao

There are several ways to calculate the distance from Haiphong to Simao. Here are two standard methods:

Vincenty's formula (applied above)

• 394.534 miles
• 634.940 kilometers
• 342.840 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

• 394.182 miles
• 634.375 kilometers
• 342.535 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 Simao?

The estimated flight time from Cat Bi International Airport to Pu'er Simao Airport is 1 hour and 14 minutes.

What is the time difference between Haiphong and Simao?

The time difference between Haiphong and Simao is 1 hour. Simao is 1 hour ahead of Haiphong.

Flight carbon footprint between Cat Bi International Airport (HPH) and Pu'er Simao Airport (SYM)

On average, flying from Haiphong to Simao generates about 83 kg of CO2 per passenger, and 83 kilograms equals 183 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 Simao

See the map of the shortest flight path between Cat Bi International Airport (HPH) and Pu'er Simao Airport (SYM).

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	Pu'er Simao Airport
City:	Simao
Country:	China
IATA Code:	SYM
ICAO Code:	ZPSM
Coordinates:	22°47′35″N, 100°57′32″E