Driving distance from St. Louis, MO to South Portland, ME is 1294 miles (2082 km). How far is it from St. Louis, MO to South Portland, ME? It's a 21 hours 29 minutes drive by car. Flight distance is approximately 1092 miles (1757 km) and flight time from St. Louis, MO to South Portland, ME is 02 hours 11 minutes. Don't forget to check out our "Gas cost calculator" option. It will calculate cost of driving this particular distance. See the map below for the visual display of the upcoming road trip.
To travel the distance from St. Louis, MO to South Portland, ME, please, click on the map to see the route for the journey. "Gas Cost Calculator" tool is to your right. You can always modify it and make the number more applicable for your journey.
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