Distance between Boston, MA (BOS) and St Louis, MO (STL)
Distance from Boston to St Louis (Logan International Airport – St. Louis Lambert International Airport) is 1047 miles / 1684 kilometers / 910 nautical miles.
Calculate Distance
Search by airport name, city or IATA airport code.
Multiple airports
Boston - St Louis
How far is St Louis from Boston?
There are several ways to calculate distances between Boston and St Louis. Here are two common methods:
Vincenty's formula (applied above)- 1046.692 miles
- 1684.487 kilometers
- 909.550 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- 1044.273 miles
- 1680.595 kilometers
- 907.449 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).
Flight duration
Estimated flight time from Logan International Airport (BOS) to St. Louis Lambert International Airport (STL) is 2 hours 28 minutes.
Time difference and current local times
The time difference between Boston and St Louis is 1 hour. St Louis is 1 hour behind Boston.
Time Difference
Boston, MA
St Louis, MO
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 154 kg (339 pounds).
Airport information
| A | Logan International Airport |
|---|---|
| City: | Boston, MA |
| Country: | United States  |
| IATA Code: | BOS |
| ICAO Code: | KBOS |
| Coordinates: | 42°21′51″N, 71°0′18″W |
| B | 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 |
Map
Boston to St Louis flight map.
Frequent Flyer Miles Calculator
Boston (BOS) → St Louis (STL).
In total
Round trip?