How far is Portsmouth, NH, from Hilo, HI?

The distance between Hilo (Hilo International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 5021 miles / 8081 kilometers / 4363 nautical miles.

Distance from Hilo to Portsmouth

There are several ways to calculate the distance from Hilo to Portsmouth. Here are two standard methods:

Vincenty's formula (applied above)

• 5021.121 miles
• 8080.711 kilometers
• 4363.235 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

• 5013.600 miles
• 8068.607 kilometers
• 4356.699 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 Hilo to Portsmouth?

The estimated flight time from Hilo International Airport to Portsmouth International Airport at Pease is 10 hours and 0 minutes.

What is the time difference between Hilo and Portsmouth?

The time difference between Hilo and Portsmouth is 5 hours. Portsmouth is 5 hours ahead of Hilo.

Flight carbon footprint between Hilo International Airport (ITO) and Portsmouth International Airport at Pease (PSM)

On average, flying from Hilo to Portsmouth generates about 587 kg of CO2 per passenger, and 587 kilograms equals 1 293 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Hilo to Portsmouth

See the map of the shortest flight path between Hilo International Airport (ITO) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin	Hilo International Airport
City:	Hilo, HI
Country:	United States
IATA Code:	ITO
ICAO Code:	PHTO
Coordinates:	19°43′17″N, 155°2′52″W

Destination	Portsmouth International Airport at Pease
City:	Portsmouth, NH
Country:	United States
IATA Code:	PSM
ICAO Code:	KPSM
Coordinates:	43°4′40″N, 70°49′23″W