# Distance between Sioux City, IA (SUX) and Portsmouth, NH (PSM)

Flight distance from Sioux City to Portsmouth (Sioux Gateway Airport – Portsmouth International Airport at Pease) is 1296 miles / 2086 kilometers / 1126 nautical miles. Estimated flight time is 2 hours 57 minutes.

Driving distance from Sioux City (SUX) to Portsmouth (PSM) is 1552 miles / 2497 kilometers and travel time by car is about 27 hours 20 minutes.

## Map of flight path and driving directions from Sioux City to Portsmouth.

Shortest flight path between Sioux Gateway Airport (SUX) and Portsmouth International Airport at Pease (PSM).

## How far is Portsmouth from Sioux City?

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

Vincenty's formula (applied above)
• 1296.347 miles
• 2086.268 kilometers
• 1126.495 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
• 1292.907 miles
• 2080.732 kilometers
• 1123.505 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 Sioux Gateway Airport
City: Sioux City, IA
Country: United States
IATA Code: SUX
ICAO Code: KSUX
Coordinates: 42°24′9″N, 96°23′3″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

The time difference between Sioux City and Portsmouth is 1 hour. Portsmouth is 1 hour ahead of Sioux City.

CDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 167 kg (367 pounds).

## Frequent Flyer Miles Calculator

Sioux City (SUX) → Portsmouth (PSM).

Distance:
1296
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1296

Round trip?