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How far is Fort Smith, AR, from Portland, OR?

The distance between Portland (Portland International Airport) and Fort Smith (Fort Smith Regional Airport) is 1636 miles / 2633 kilometers / 1422 nautical miles.

The driving distance from Portland (PDX) to Fort Smith (FSM) is 2041 miles / 3285 kilometers, and travel time by car is about 35 hours 8 minutes.

Portland International Airport – Fort Smith Regional Airport

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1636
Miles
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2633
Kilometers
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1422
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)
  • 1635.850 miles
  • 2632.646 kilometers
  • 1421.515 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
  • 1632.917 miles
  • 2627.924 kilometers
  • 1418.966 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 Airport to Fort Smith Regional Airport is 3 hours and 35 minutes.

Flight carbon footprint between Portland International Airport (PDX) and Fort Smith Regional Airport (FSM)

On average, flying from Portland to Fort Smith generates about 188 kg of CO2 per passenger, and 188 kilograms equals 415 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 Airport (PDX) and Fort Smith Regional Airport (FSM).

Airport information

Origin Portland International Airport
City: Portland, OR
Country: United States Flag of United States
IATA Code: PDX
ICAO Code: KPDX
Coordinates: 45°35′19″N, 122°35′52″W
Destination Fort Smith Regional Airport
City: Fort Smith, AR
Country: United States Flag of United States
IATA Code: FSM
ICAO Code: KFSM
Coordinates: 35°20′11″N, 94°22′2″W