Air Miles Calculator

Distance between Chicago, IL (ORD) and Harrison, AR (HRO)

Flight distance from Chicago to Harrison (Chicago O'Hare International Airport – Boone County Airport) is 485 miles / 780 kilometers / 421 nautical miles. Estimated flight time is 1 hour 25 minutes.

Driving distance from Chicago (ORD) to Harrison (HRO) is 578 miles / 931 kilometers and travel time by car is about 10 hours 16 minutes.

Map of flight path and driving directions from Chicago to Harrison.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Boone County Airport (HRO).

How far is Harrison from Chicago?

There are several ways to calculate distances between Chicago and Harrison. Here are two common methods:

Vincenty's formula (applied above)
  • 484.670 miles
  • 780.001 kilometers
  • 421.167 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 484.782 miles
  • 780.181 kilometers
  • 421.264 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).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B 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

Time difference and current local times

There is no time difference between Chicago and Harrison.

Time Difference

Chicago, IL

 CDT

Harrison, AR

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 96 kg (212 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Harrison (HRO).

Distance:
485
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
485

Round trip?