Air Miles Calculator logo

How far is Round Lake from St Louis, MO?

The distance between St Louis (St. Louis Lambert International Airport) and Round Lake (Round Lake (Weagamow Lake) Airport) is 981 miles / 1579 kilometers / 853 nautical miles.

The driving distance from St Louis (STL) to Round Lake (ZRJ) is 1347 miles / 2168 kilometers, and travel time by car is about 34 hours 44 minutes.

St. Louis Lambert International Airport – Round Lake (Weagamow Lake) Airport

Distance arrow
981
Miles
Distance arrow
1579
Kilometers
Distance arrow
853
Nautical miles

Search flights

Distance from St Louis to Round Lake

There are several ways to calculate the distance from St Louis to Round Lake. Here are two standard methods:

Vincenty's formula (applied above)
  • 981.393 miles
  • 1579.400 kilometers
  • 852.808 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
  • 981.801 miles
  • 1580.055 kilometers
  • 853.162 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 Round Lake?

The estimated flight time from St. Louis Lambert International Airport to Round Lake (Weagamow Lake) Airport is 2 hours and 21 minutes.

What is the time difference between St Louis and Round Lake?

There is no time difference between St Louis and Round Lake.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and Round Lake (Weagamow Lake) Airport (ZRJ)

On average, flying from St Louis to Round Lake generates about 150 kg of CO2 per passenger, and 150 kilograms equals 330 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 Round Lake

See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Round Lake (Weagamow Lake) Airport (ZRJ).

Airport information

Origin 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
Destination Round Lake (Weagamow Lake) Airport
City: Round Lake
Country: Canada Flag of Canada
IATA Code: ZRJ
ICAO Code: CZRJ
Coordinates: 52°56′36″N, 91°18′46″W