Air Miles Calculator

Distance between St Louis, MO (STL) and Boston, MA (BOS)

Flight distance from St Louis to Boston (St. Louis Lambert International Airport – Logan International Airport) is 1047 miles / 1684 kilometers / 910 nautical miles. Estimated flight time is 2 hours 28 minutes.

Driving distance from St Louis (STL) to Boston (BOS) is 1191 miles / 1916 kilometers and travel time by car is about 21 hours 5 minutes.

Map of flight path and driving directions from St Louis to Boston.

Shortest flight path between St. Louis Lambert International Airport (STL) and Logan International Airport (BOS).

How far is Boston from St Louis?

There are several ways to calculate distances between St Louis and Boston. 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).

Airport information


A 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

B Logan International Airport
City: Boston, MA
Country: United States Flag of United States
IATA Code: BOS
ICAO Code: KBOS
Coordinates: 42°21′51″N, 71°0′18″W

Time difference and current local times

The time difference between St Louis and Boston is 1 hour. Boston is 1 hour ahead of St Louis.

Time Difference

St Louis, MO

 CST

Boston, MA

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 154 kg (339 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Boston (BOS).

Distance:
1047
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1047

Round trip?