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How far is St Louis, MO, from Dayton, OH?

The distance between Dayton (Dayton International Airport) and St Louis (St. Louis Lambert International Airport) is 339 miles / 545 kilometers / 295 nautical miles.

The driving distance from Dayton (DAY) to St Louis (STL) is 361 miles / 581 kilometers, and travel time by car is about 6 hours 48 minutes.

Dayton International Airport – St. Louis Lambert International Airport

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339
Miles
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545
Kilometers
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295
Nautical miles

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Distance from Dayton to St Louis

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

Vincenty's formula (applied above)
  • 338.943 miles
  • 545.477 kilometers
  • 294.534 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
  • 338.185 miles
  • 544.255 kilometers
  • 293.874 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 Dayton to St Louis?

The estimated flight time from Dayton International Airport to St. Louis Lambert International Airport is 1 hour and 8 minutes.

Flight carbon footprint between Dayton International Airport (DAY) and St. Louis Lambert International Airport (STL)

On average, flying from Dayton to St Louis generates about 75 kg of CO2 per passenger, and 75 kilograms equals 165 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Dayton to St Louis

See the map of the shortest flight path between Dayton International Airport (DAY) and St. Louis Lambert International Airport (STL).

Airport information

Origin Dayton International Airport
City: Dayton, OH
Country: United States Flag of United States
IATA Code: DAY
ICAO Code: KDAY
Coordinates: 39°54′8″N, 84°13′9″W
Destination 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