Air Miles Calculator

Distance between St Louis, MO (STL) and Sault Ste Marie, MI (CIU)

Flight distance from St Louis to Sault Ste Marie (St. Louis Lambert International Airport – Chippewa County International Airport) is 599 miles / 963 kilometers / 520 nautical miles. Estimated flight time is 1 hour 38 minutes.

Driving distance from St Louis (STL) to Sault Ste Marie (CIU) is 738 miles / 1187 kilometers and travel time by car is about 13 hours 20 minutes.

Map of flight path and driving directions from St Louis to Sault Ste Marie.

Shortest flight path between St. Louis Lambert International Airport (STL) and Chippewa County International Airport (CIU).

How far is Sault Ste Marie from St Louis?

There are several ways to calculate distances between St Louis and Sault Ste Marie. Here are two common methods:

Vincenty's formula (applied above)
  • 598.654 miles
  • 963.440 kilometers
  • 520.216 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
  • 598.708 miles
  • 963.526 kilometers
  • 520.263 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 Chippewa County International Airport
City: Sault Ste Marie, MI
Country: United States Flag of United States
IATA Code: CIU
ICAO Code: KCIU
Coordinates: 46°15′2″N, 84°28′20″W

Time difference and current local times

The time difference between St Louis and Sault Ste Marie is 1 hour. Sault Ste Marie is 1 hour ahead of St Louis.

Time Difference

St Louis, MO

 CST

Sault Ste Marie, MI

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 113 kg (248 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Sault Ste Marie (CIU).

Distance:
599
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
599

Round trip?