# Distance between Haiphong (HPH) and Sihanukville (KOS)

Flight distance from Haiphong to Sihanukville (Cat Bi International Airport – Sihanouk International Airport) is 733 miles / 1180 kilometers / 637 nautical miles. Estimated flight time is 1 hour 53 minutes.

Driving distance from Haiphong (HPH) to Sihanukville (KOS) is 1104 miles / 1777 kilometers and travel time by car is about 22 hours 47 minutes.

733
Miles
1180
Kilometers
637
Nautical miles
1 h 53 min
128 kg

## How far is Sihanukville from Haiphong?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
• 733.412 miles
• 1180.312 kilometers
• 637.318 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 736.614 miles
• 1185.465 kilometers
• 640.100 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 Sihanukville?

Estimated flight time from Cat Bi International Airport to Sihanouk International Airport is 1 hour 53 minutes.

## What is the time difference between Haiphong and Sihanukville?

There is no time difference between Haiphong and Sihanukville.

## Flight carbon footprint between Cat Bi International Airport (HPH) and Sihanouk International Airport (KOS)

On average flying from Haiphong to Sihanukville generates about 128 kg of CO2 per passenger, 128 kilograms is equal to 283 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 Sihanukville

Shortest flight path between Cat Bi International Airport (HPH) and Sihanouk International Airport (KOS).

## 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 Sihanouk International Airport
City: Sihanukville
Country: Cambodia
IATA Code: KOS
ICAO Code: VDSV
Coordinates: 10°34′46″N, 103°38′13″E