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How far is Fort Smith from Portland, ME?

The distance between Portland (Portland International Jetport) and Fort Smith (Fort Smith Airport) is 2062 miles / 3318 kilometers / 1792 nautical miles.

The driving distance from Portland (PWM) to Fort Smith (YSM) is 3135 miles / 5046 kilometers, and travel time by car is about 65 hours 9 minutes.

Portland International Jetport – Fort Smith Airport

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2062
Miles
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3318
Kilometers
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1792
Nautical miles

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Distance from Portland to Fort Smith

There are several ways to calculate the distance from Portland to Fort Smith. Here are two standard methods:

Vincenty's formula (applied above)
  • 2061.806 miles
  • 3318.155 kilometers
  • 1791.660 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
  • 2056.892 miles
  • 3310.246 kilometers
  • 1787.390 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 Portland to Fort Smith?

The estimated flight time from Portland International Jetport to Fort Smith Airport is 4 hours and 24 minutes.

Flight carbon footprint between Portland International Jetport (PWM) and Fort Smith Airport (YSM)

On average, flying from Portland to Fort Smith generates about 224 kg of CO2 per passenger, and 224 kilograms equals 495 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portland to Fort Smith

See the map of the shortest flight path between Portland International Jetport (PWM) and Fort Smith Airport (YSM).

Airport information

Origin Portland International Jetport
City: Portland, ME
Country: United States Flag of United States
IATA Code: PWM
ICAO Code: KPWM
Coordinates: 43°38′46″N, 70°18′33″W
Destination Fort Smith Airport
City: Fort Smith
Country: Canada Flag of Canada
IATA Code: YSM
ICAO Code: CYSM
Coordinates: 60°1′13″N, 111°57′43″W