How far is Reading from St Louis?
There are several ways to calculate distances between St Louis and Reading. Here are two common 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 earth.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).
Estimated flight time from St. Louis Lambert International Airport (STL) to Reading Regional Airport (RDG) is 1 hour 58 minutes.
Time difference and current local times
The time difference between St Louis and Reading is 1 hour. Reading is 1 hour ahead of St Louis.
St Louis, MO
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 133 kg (292 pounds).
St Louis to Reading flight map.
Frequent Flyer Miles Calculator
St Louis (STL) → Reading (RDG).