# Distance between Chicago, IL (ORD) and Knoxville, TN (TYS)

Flight distance from Chicago to Knoxville (Chicago O'Hare International Airport – Knoxville McGhee Tyson Airport) is 475 miles / 764 kilometers / 412 nautical miles. Estimated flight time is 1 hour 23 minutes.

Driving distance from Chicago (ORD) to Knoxville (TYS) is 572 miles / 920 kilometers and travel time by car is about 10 hours 12 minutes.

## Map of flight path and driving directions from Chicago to Knoxville.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Knoxville McGhee Tyson Airport (TYS).

## How far is Knoxville from Chicago?

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

Vincenty's formula (applied above)
• 474.673 miles
• 763.912 kilometers
• 412.480 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
• 475.069 miles
• 764.550 kilometers
• 412.824 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
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Knoxville McGhee Tyson Airport
City: Knoxville, TN
Country: United States
IATA Code: TYS
ICAO Code: KTYS
Coordinates: 35°48′39″N, 83°59′38″W

## Time difference and current local times

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

CDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 95 kg (209 pounds).

## Frequent Flyer Miles Calculator

Chicago (ORD) → Knoxville (TYS).

Distance:
475
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
475

Round trip?