Air Miles Calculator

Distance between South Bend, IN (SBN) and Portsmouth, NH (PSM)

Flight distance from South Bend to Portsmouth (South Bend International Airport – Portsmouth International Airport at Pease) is 797 miles / 1283 kilometers / 693 nautical miles. Estimated flight time is 2 hours 0 minutes.

Driving distance from South Bend (SBN) to Portsmouth (PSM) is 959 miles / 1544 kilometers and travel time by car is about 17 hours 6 minutes.

Map of flight path and driving directions from South Bend to Portsmouth.

Shortest flight path between South Bend International Airport (SBN) and Portsmouth International Airport at Pease (PSM).

How far is Portsmouth from South Bend?

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

Vincenty's formula (applied above)
  • 797.171 miles
  • 1282.922 kilometers
  • 692.722 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
  • 795.108 miles
  • 1279.603 kilometers
  • 690.930 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 South Bend International Airport
City: South Bend, IN
Country: United States Flag of United States
IATA Code: SBN
ICAO Code: KSBN
Coordinates: 41°42′31″N, 86°19′2″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 South Bend and Portsmouth.

Time Difference

South Bend, IN

 EDT

Portsmouth, NH

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 135 kg (297 pounds).

Frequent Flyer Miles Calculator

South Bend (SBN) → Portsmouth (PSM).

Distance:
797
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
797

Round trip?