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How far is St Louis, MO, from Portland, ME?

The distance between Portland (Portland International Jetport) and St Louis (St. Louis Lambert International Airport) is 1096 miles / 1763 kilometers / 952 nautical miles.

The driving distance from Portland (PWM) to St Louis (STL) is 1282 miles / 2063 kilometers, and travel time by car is about 24 hours 19 minutes.

Portland International Jetport – St. Louis Lambert International Airport

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1096
Miles
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1763
Kilometers
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952
Nautical miles

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Distance from Portland to St Louis

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

Vincenty's formula (applied above)
  • 1095.662 miles
  • 1763.296 kilometers
  • 952.104 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
  • 1093.246 miles
  • 1759.408 kilometers
  • 950.004 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 St Louis?

The estimated flight time from Portland International Jetport to St. Louis Lambert International Airport is 2 hours and 34 minutes.

Flight carbon footprint between Portland International Jetport (PWM) and St. Louis Lambert International Airport (STL)

On average, flying from Portland to St Louis generates about 157 kg of CO2 per passenger, and 157 kilograms equals 345 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 St Louis

See the map of the shortest flight path between Portland International Jetport (PWM) and St. Louis Lambert International Airport (STL).

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 St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W