Air Miles Calculator logo

How far is Portsmouth, NH, from Madison, WI?

The distance between Madison (Dane County Regional Airport) and Portsmouth (Portsmouth International Airport at Pease) is 935 miles / 1504 kilometers / 812 nautical miles.

The driving distance from Madison (MSN) to Portsmouth (PSM) is 1095 miles / 1763 kilometers, and travel time by car is about 22 hours 10 minutes.

Dane County Regional Airport – Portsmouth International Airport at Pease

Distance arrow
935
Miles
Distance arrow
1504
Kilometers
Distance arrow
812
Nautical miles

Search flights

Distance from Madison to Portsmouth

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

Vincenty's formula (applied above)
  • 934.502 miles
  • 1503.935 kilometers
  • 812.060 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
  • 931.997 miles
  • 1499.904 kilometers
  • 809.884 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 Madison to Portsmouth?

The estimated flight time from Dane County Regional Airport to Portsmouth International Airport at Pease is 2 hours and 16 minutes.

Flight carbon footprint between Dane County Regional Airport (MSN) and Portsmouth International Airport at Pease (PSM)

On average, flying from Madison to Portsmouth generates about 146 kg of CO2 per passenger, and 146 kilograms equals 322 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Madison to Portsmouth

See the map of the shortest flight path between Dane County Regional Airport (MSN) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Dane County Regional Airport
City: Madison, WI
Country: United States Flag of United States
IATA Code: MSN
ICAO Code: KMSN
Coordinates: 43°8′23″N, 89°20′15″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