Air Miles Calculator

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

Flight distance from Chicago to Blountville (Chicago O'Hare International Airport – Blountville Tri-Cities Regional Airport) is 481 miles / 773 kilometers / 418 nautical miles. Estimated flight time is 1 hour 24 minutes.

Driving distance from Chicago (ORD) to Blountville (TRI) is 610 miles / 981 kilometers and travel time by car is about 10 hours 54 minutes.

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

Shortest flight path between Chicago O'Hare International Airport (ORD) and Blountville Tri-Cities Regional Airport (TRI).

How far is Blountville from Chicago?

There are several ways to calculate distances between Chicago and Blountville. Here are two common 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 – 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 Blountville 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

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, IL

 CST

Blountville, TN

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 96 kg (211 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Blountville (TRI).

Distance:
481
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
481

Round trip?