How far is St Louis, MO, from Reading, PA?
The distance between Reading (Reading Regional Airport) and St Louis (St. Louis Lambert International Airport) is 776 miles / 1250 kilometers / 675 nautical miles.
The driving distance from Reading (RDG) to St Louis (STL) is 854 miles / 1374 kilometers, and travel time by car is about 16 hours 11 minutes.
Reading Regional Airport – St. Louis Lambert International Airport
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Distance from Reading to St Louis
There are several ways to calculate the distance from Reading to St Louis. 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 Reading to St Louis?
The estimated flight time from Reading Regional Airport to St. Louis Lambert International Airport is 1 hour and 58 minutes.
What is the time difference between Reading and St Louis?
The time difference between Reading and St Louis is 1 hour. St Louis is 1 hour behind Reading.
Flight carbon footprint between Reading Regional Airport (RDG) and St. Louis Lambert International Airport (STL)
On average, flying from Reading to St Louis 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 Reading to St Louis
See the map of the shortest flight path between Reading Regional Airport (RDG) and St. Louis Lambert International Airport (STL).
Airport information
| Origin | Reading Regional Airport |
|---|---|
| City: | Reading, PA |
| Country: | United States  |
| IATA Code: | RDG |
| ICAO Code: | KRDG |
| Coordinates: | 40°22′42″N, 75°57′54″W |
| Destination | St. Louis Lambert International Airport |
|---|---|
| City: | St Louis, MO |
| Country: | United States |
| IATA Code: | STL |
| ICAO Code: | KSTL |
| Coordinates: | 38°44′55″N, 90°22′12″W |