Air Miles Calculator logo

How far is St Augustine, FL, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and St Augustine (Northeast Florida Regional Airport) is 1075 miles / 1731 kilometers / 935 nautical miles.

The driving distance from Portsmouth (PSM) to St Augustine (UST) is 1233 miles / 1985 kilometers, and travel time by car is about 23 hours 51 minutes.

Portsmouth International Airport at Pease – Northeast Florida Regional Airport

Distance arrow
1075
Miles
Distance arrow
1731
Kilometers
Distance arrow
935
Nautical miles

Search flights

Distance from Portsmouth to St Augustine

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

Vincenty's formula (applied above)
  • 1075.423 miles
  • 1730.726 kilometers
  • 934.517 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
  • 1076.246 miles
  • 1732.050 kilometers
  • 935.232 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 Portsmouth to St Augustine?

The estimated flight time from Portsmouth International Airport at Pease to Northeast Florida Regional Airport is 2 hours and 32 minutes.

What is the time difference between Portsmouth and St Augustine?

There is no time difference between Portsmouth and St Augustine.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Northeast Florida Regional Airport (UST)

On average, flying from Portsmouth to St Augustine generates about 155 kg of CO2 per passenger, and 155 kilograms equals 343 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portsmouth to St Augustine

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Northeast Florida Regional Airport (UST).

Airport information

Origin 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
Destination Northeast Florida Regional Airport
City: St Augustine, FL
Country: United States Flag of United States
IATA Code: UST
ICAO Code: KSGJ
Coordinates: 29°57′33″N, 81°20′23″W