How far is Baltimore, MD, from St Louis, MO?
The distance between St Louis (St. Louis Lambert International Airport) and Baltimore (Baltimore–Washington International Airport) is 738 miles / 1187 kilometers / 641 nautical miles.
The driving distance from St Louis (STL) to Baltimore (BWI) is 828 miles / 1333 kilometers, and travel time by car is about 15 hours 42 minutes.
St. Louis Lambert International Airport – Baltimore–Washington International Airport
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Distance from St Louis to Baltimore
There are several ways to calculate the distance from St Louis to Baltimore. Here are two standard methods:
Vincenty's formula (applied above)- 737.802 miles
- 1187.378 kilometers
- 641.133 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- 736.007 miles
- 1184.488 kilometers
- 639.572 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 Baltimore?
The estimated flight time from St. Louis Lambert International Airport to Baltimore–Washington International Airport is 1 hour and 53 minutes.
What is the time difference between St Louis and Baltimore?
The time difference between St Louis and Baltimore is 1 hour. Baltimore is 1 hour ahead of St Louis.
Flight carbon footprint between St. Louis Lambert International Airport (STL) and Baltimore–Washington International Airport (BWI)
On average, flying from St Louis to Baltimore generates about 129 kg of CO2 per passenger, and 129 kilograms equals 284 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 Baltimore
See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Baltimore–Washington International Airport (BWI).
Airport information
| Origin | 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 |
| Destination | Baltimore–Washington International Airport |
|---|---|
| City: | Baltimore, MD |
| Country: | United States |
| IATA Code: | BWI |
| ICAO Code: | KBWI |
| Coordinates: | 39°10′31″N, 76°40′5″W |
Airlines flying from St Louis (STL) to Baltimore (BWI)
| AirTran Airways |
| Southwest Airlines |