Air Miles Calculator

Distance between St Louis, MO (STL) and Portland, ME (PWM)

Flight distance from St Louis to Portland (St. Louis Lambert International Airport – Portland International Jetport) is 1096 miles / 1763 kilometers / 952 nautical miles. Estimated flight time is 2 hours 34 minutes.

Driving distance from St Louis (STL) to Portland (PWM) is 1284 miles / 2067 kilometers and travel time by car is about 22 hours 48 minutes.

Map of flight path and driving directions from St Louis to Portland.

Shortest flight path between St. Louis Lambert International Airport (STL) and Portland International Jetport (PWM).

How far is Portland from St Louis?

There are several ways to calculate distances between St Louis and Portland. Here are two common 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 earth.

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).

Airport information


A 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

B 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

Time difference and current local times

The time difference between St Louis and Portland is 1 hour. Portland is 1 hour ahead of St Louis.

Time Difference

St Louis, MO

 CST

Portland, ME

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 157 kg (345 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Portland (PWM).

Distance:
1096
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1096

Round trip?