# 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
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
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.

CST

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?