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How far is Miles City, MT, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Miles City (Miles City Airport) is 1726 miles / 2778 kilometers / 1500 nautical miles.

The driving distance from Portsmouth (PSM) to Miles City (MLS) is 2049 miles / 3298 kilometers, and travel time by car is about 39 hours 3 minutes.

Portsmouth International Airport at Pease – Miles City Airport

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1726
Miles
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2778
Kilometers
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1500
Nautical miles

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Distance from Portsmouth to Miles City

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

Vincenty's formula (applied above)
  • 1726.224 miles
  • 2778.088 kilometers
  • 1500.047 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
  • 1721.539 miles
  • 2770.548 kilometers
  • 1495.976 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 Miles City?

The estimated flight time from Portsmouth International Airport at Pease to Miles City Airport is 3 hours and 46 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Miles City Airport (MLS)

On average, flying from Portsmouth to Miles City generates about 195 kg of CO2 per passenger, and 195 kilograms equals 429 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 Miles City

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Miles City Airport (MLS).

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 Miles City Airport
City: Miles City, MT
Country: United States Flag of United States
IATA Code: MLS
ICAO Code: KMLS
Coordinates: 46°25′40″N, 105°53′9″W