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

The distance between St Louis (St. Louis Lambert International Airport) and Reading (Reading Regional Airport) is 776 miles / 1250 kilometers / 675 nautical miles.

The driving distance from St Louis (STL) to Reading (RDG) is 849 miles / 1366 kilometers, and travel time by car is about 16 hours 13 minutes.

St. Louis Lambert International Airport – Reading Regional Airport

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776
Miles
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1250
Kilometers
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675
Nautical miles

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Distance from St Louis to Reading

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

Vincenty's formula (applied above)
  • 776.461 miles
  • 1249.592 kilometers
  • 674.726 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
  • 774.604 miles
  • 1246.605 kilometers
  • 673.113 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 St Louis to Reading?

The estimated flight time from St. Louis Lambert International Airport to Reading Regional Airport is 1 hour and 58 minutes.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and Reading Regional Airport (RDG)

On average, flying from St Louis to Reading generates about 133 kg of CO2 per passenger, and 133 kilograms equals 292 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Reading Regional Airport (RDG).

Airport information

Origin 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
Destination Reading Regional Airport
City: Reading, PA
Country: United States Flag of United States
IATA Code: RDG
ICAO Code: KRDG
Coordinates: 40°22′42″N, 75°57′54″W