How far is Olongapo City from Haiphong?

The distance between Haiphong (Cat Bi International Airport) and Olongapo City (Subic Bay International Airport) is 983 miles / 1582 kilometers / 854 nautical miles.

Distance from Haiphong to Olongapo City

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

Vincenty's formula (applied above)

• 983.220 miles
• 1582.339 kilometers
• 854.395 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

• 982.878 miles
• 1581.789 kilometers
• 854.098 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 Olongapo City?

The estimated flight time from Cat Bi International Airport to Subic Bay International Airport is 2 hours and 21 minutes.

What is the time difference between Haiphong and Olongapo City?

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

Flight carbon footprint between Cat Bi International Airport (HPH) and Subic Bay International Airport (SFS)

On average, flying from Haiphong to Olongapo City generates about 150 kg of CO2 per passenger, and 150 kilograms equals 330 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Haiphong to Olongapo City

See the map of the shortest flight path between Cat Bi International Airport (HPH) and Subic Bay International Airport (SFS).

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	Subic Bay International Airport
City:	Olongapo City
Country:	Philippines
IATA Code:	SFS
ICAO Code:	RPLB
Coordinates:	14°47′39″N, 120°16′15″E