# 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
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
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.

EDT

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?