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

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

The driving distance from St Louis (STL) to Dayton (DAY) is 362 miles / 583 kilometers, and travel time by car is about 6 hours 50 minutes.

St. Louis Lambert International Airport – Dayton 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 St Louis to Dayton

There are several ways to calculate the distance from St Louis to Dayton. 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 St Louis to Dayton?

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

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

On average, flying from St Louis to Dayton 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 St Louis to Dayton

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

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 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