Air Miles Calculator logo

How far is St Louis, MO, from Harrison, AR?

The distance between Harrison (Boone County Airport) and St Louis (St. Louis Lambert International Airport) is 230 miles / 370 kilometers / 200 nautical miles.

The driving distance from Harrison (HRO) to St Louis (STL) is 285 miles / 458 kilometers, and travel time by car is about 5 hours 22 minutes.

Boone County Airport – St. Louis Lambert International Airport

Distance arrow
230
Miles
Distance arrow
370
Kilometers
Distance arrow
200
Nautical miles

Search flights

Distance from Harrison to St Louis

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

Vincenty's formula (applied above)
  • 229.820 miles
  • 369.860 kilometers
  • 199.708 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
  • 229.820 miles
  • 369.860 kilometers
  • 199.709 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 Harrison to St Louis?

The estimated flight time from Boone County Airport to St. Louis Lambert International Airport is 56 minutes.

What is the time difference between Harrison and St Louis?

There is no time difference between Harrison and St Louis.

Flight carbon footprint between Boone County Airport (HRO) and St. Louis Lambert International Airport (STL)

On average, flying from Harrison to St Louis generates about 59 kg of CO2 per passenger, and 59 kilograms equals 130 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Boone County Airport (HRO) and St. Louis Lambert International Airport (STL).

Airport information

Origin Boone County Airport
City: Harrison, AR
Country: United States Flag of United States
IATA Code: HRO
ICAO Code: KHRO
Coordinates: 36°15′41″N, 93°9′16″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