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

The distance between Portsmouth (Portsmouth International Airport at Pease) and Lahaina (Kapalua Airport) is 5046 miles / 8121 kilometers / 4385 nautical miles.

Distance from Portsmouth to Lahaina

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

Vincenty's formula (applied above)

• 5046.278 miles
• 8121.197 kilometers
• 4385.096 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

• 5038.263 miles
• 8108.298 kilometers
• 4378.131 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 Portsmouth to Lahaina?

The estimated flight time from Portsmouth International Airport at Pease to Kapalua Airport is 10 hours and 3 minutes.

What is the time difference between Portsmouth and Lahaina?

The time difference between Portsmouth and Lahaina is 6 hours. Lahaina is 6 hours behind Portsmouth.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Kapalua Airport (JHM)

On average, flying from Portsmouth to Lahaina generates about 590 kg of CO2 per passenger, and 590 kilograms equals 1 300 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portsmouth to Lahaina

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

Airport information

Origin	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

Destination	Kapalua Airport
City:	Lahaina, HI
Country:	United States
IATA Code:	JHM
ICAO Code:	PHJH
Coordinates:	20°57′46″N, 156°40′22″W