Air Miles Calculator logo

Distance between Los Angeles, CA (LAX) and Portsmouth, NH (PSM)

Flight distance from Los Angeles to Portsmouth (Los Angeles International Airport – Portsmouth International Airport at Pease) is 2618 miles / 4213 kilometers / 2275 nautical miles. Estimated flight time is 5 hours 27 minutes.

Driving distance from Los Angeles (LAX) to Portsmouth (PSM) is 3059 miles / 4923 kilometers and travel time by car is about 55 hours 0 minutes.

Los Angeles – Portsmouth

Distance arrow
2618
Miles
Distance arrow
4213
Kilometers
Distance arrow
2275
Nautical miles

How far is Portsmouth from Los Angeles?

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

Vincenty's formula (applied above)
  • 2617.925 miles
  • 4213.142 kilometers
  • 2274.914 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
  • 2612.243 miles
  • 4203.998 kilometers
  • 2269.978 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).

Flight Duration

Estimated flight time from Los Angeles to Portsmouth is 5 hours 27 minutes.

Time difference and current local times

The time difference between Los Angeles and Portsmouth is 3 hours. Portsmouth is 3 hours ahead of Los Angeles.

Los Angeles time to Portsmouth time converter

Time in Los Angeles: 00:00 ⇆ Time in Portsmouth: 00:00

Current local times

Los Angeles, CA

 PDT

Portsmouth, NH

 EDT

Carbon dioxide emissions

On average flying from Los Angeles to Portsmouth generates about 289 kg of CO2 per passenger, 289 kilograms is equal to 637 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Los Angeles to Portsmouth

Shortest flight path between Los Angeles International Airport (LAX) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Los Angeles International Airport
City: Los Angeles, CA
Country: United States Flag of United States
IATA Code: LAX
ICAO Code: KLAX
Coordinates: 33°56′33″N, 118°24′28″W
Destination Portsmouth International Airport at Pease
City: Portsmouth, NH
Country: United States Flag of United States
IATA Code: PSM
ICAO Code: KPSM
Coordinates: 43°4′40″N, 70°49′23″W