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How far is St Louis, MO, from Harrisburg, PA?

The distance between Harrisburg (Harrisburg International Airport) and St Louis (St. Louis Lambert International Airport) is 734 miles / 1181 kilometers / 637 nautical miles.

The driving distance from Harrisburg (MDT) to St Louis (STL) is 804 miles / 1294 kilometers, and travel time by car is about 15 hours 22 minutes.

Harrisburg International Airport – St. Louis Lambert International Airport

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734
Miles
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1181
Kilometers
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637
Nautical miles

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Distance from Harrisburg to St Louis

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

Vincenty's formula (applied above)
  • 733.575 miles
  • 1180.574 kilometers
  • 637.459 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
  • 731.817 miles
  • 1177.746 kilometers
  • 635.932 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 Harrisburg to St Louis?

The estimated flight time from Harrisburg International Airport to St. Louis Lambert International Airport is 1 hour and 53 minutes.

Flight carbon footprint between Harrisburg International Airport (MDT) and St. Louis Lambert International Airport (STL)

On average, flying from Harrisburg to St Louis generates about 128 kg of CO2 per passenger, and 128 kilograms equals 283 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Harrisburg to St Louis

See the map of the shortest flight path between Harrisburg International Airport (MDT) and St. Louis Lambert International Airport (STL).

Airport information

Origin Harrisburg International Airport
City: Harrisburg, PA
Country: United States Flag of United States
IATA Code: MDT
ICAO Code: KMDT
Coordinates: 40°11′36″N, 76°45′48″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