Air Miles Calculator

Distance between Louisville, KY (SDF) and Portsmouth, NH (PSM)

Flight distance from Louisville to Portsmouth (Louisville International Airport – Portsmouth International Airport at Pease) is 852 miles / 1372 kilometers / 741 nautical miles. Estimated flight time is 2 hours 6 minutes.

Driving distance from Louisville (SDF) to Portsmouth (PSM) is 1027 miles / 1652 kilometers and travel time by car is about 18 hours 35 minutes.

Map of flight path and driving directions from Louisville to Portsmouth.

Shortest flight path between Louisville International Airport (SDF) and Portsmouth International Airport at Pease (PSM).

How far is Portsmouth from Louisville?

There are several ways to calculate distances between Louisville and Portsmouth. Here are two common methods:

Vincenty's formula (applied above)
  • 852.334 miles
  • 1371.698 kilometers
  • 740.658 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
  • 850.694 miles
  • 1369.059 kilometers
  • 739.233 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).

Airport information


A Louisville International Airport
City: Louisville, KY
Country: United States Flag of United States
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″W

B 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

Time difference and current local times

There is no time difference between Louisville and Portsmouth.

Time Difference

Louisville, KY

 EDT

Portsmouth, NH

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 140 kg (308 pounds).

Frequent Flyer Miles Calculator

Louisville (SDF) → Portsmouth (PSM).

Distance:
852
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
852

Round trip?