Air Miles Calculator

Distance between Chicago, IL (ORD) and Blountville, TN (TRI)

Distance from Chicago to Blountville (Tri-Cities Regional Airport – O'Hare International Airport) is 481 miles / 773 kilometers / 418 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 480.530 miles
  • 773.338 kilometers
  • 417.569 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
  • 480.561 miles
  • 773.387 kilometers
  • 417.596 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Tri-Cities Regional Airport (TRI) is 1 hour 24 minutes.

Time difference and current local times

The time difference between Chicago and Blountville is 1 hour. Blountville is 1 hour ahead of Chicago.

Time Difference

Chicago
Blountville

Chicago, IL

 CDT

Blountville, TN

 EDT

Airport information


A 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 Tri-Cities Regional Airport
City: Blountville, TN
Country: United States Flag of United States
IATA Code: TRI
ICAO Code: KTRI
Coordinates: 36°28′30″N, 82°24′26″W

Map

Chicago to Blountville flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Blountville (TRI).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
481
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
481

Round trip?