How far is St Louis, MO, from Ottawa?
The distance between Ottawa (Ottawa Macdonald–Cartier International Airport) and St Louis (St. Louis Lambert International Airport) is 880 miles / 1416 kilometers / 765 nautical miles.
The driving distance from Ottawa (YOW) to St Louis (STL) is 1022 miles / 1644 kilometers, and travel time by car is about 20 hours 7 minutes.
Ottawa Macdonald–Cartier International Airport – St. Louis Lambert International Airport
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Distance from Ottawa to St Louis
There are several ways to calculate the distance from Ottawa to St Louis. Here are two standard methods:
Vincenty's formula (applied above)- 880.005 miles
- 1416.231 kilometers
- 764.703 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- 878.572 miles
- 1413.924 kilometers
- 763.458 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 Ottawa to St Louis?
The estimated flight time from Ottawa Macdonald–Cartier International Airport to St. Louis Lambert International Airport is 2 hours and 9 minutes.
What is the time difference between Ottawa and St Louis?
The time difference between Ottawa and St Louis is 1 hour. St Louis is 1 hour behind Ottawa.
Flight carbon footprint between Ottawa Macdonald–Cartier International Airport (YOW) and St. Louis Lambert International Airport (STL)
On average, flying from Ottawa to St Louis generates about 142 kg of CO2 per passenger, and 142 kilograms equals 313 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Ottawa to St Louis
See the map of the shortest flight path between Ottawa Macdonald–Cartier International Airport (YOW) and St. Louis Lambert International Airport (STL).
Airport information
| Origin | Ottawa Macdonald–Cartier International Airport |
|---|---|
| City: | Ottawa |
| Country: | Canada  |
| IATA Code: | YOW |
| ICAO Code: | CYOW |
| Coordinates: | 45°19′20″N, 75°40′9″W |
| Destination | 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 |