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

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

The driving distance from Fort Smith (FSM) to Portland (PDX) is 2042 miles / 3286 kilometers, and travel time by car is about 35 hours 10 minutes.

Fort Smith Regional Airport – Portland International 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 Fort Smith to Portland

There are several ways to calculate the distance from Fort Smith to Portland. 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 Fort Smith to Portland?

The estimated flight time from Fort Smith Regional Airport to Portland International Airport is 3 hours and 35 minutes.

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

On average, flying from Fort Smith to Portland 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 Fort Smith to Portland

See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Portland International Airport (PDX).

Airport information

Origin 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
Destination 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