Air Miles Calculator

Distance between Knoxville, TN (TYS) and Houston, TX (IAH)

Flight distance from Knoxville to Houston (Knoxville McGhee Tyson Airport – Houston George Bush Intercontinental Airport) is 771 miles / 1242 kilometers / 670 nautical miles. Estimated flight time is 1 hour 57 minutes.

Driving distance from Knoxville (TYS) to Houston (IAH) is 912 miles / 1467 kilometers and travel time by car is about 16 hours 6 minutes.

Map of flight path and driving directions from Knoxville to Houston.

Shortest flight path between Knoxville McGhee Tyson Airport (TYS) and Houston George Bush Intercontinental Airport (IAH).

How far is Houston from Knoxville?

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

Vincenty's formula (applied above)
  • 771.458 miles
  • 1241.541 kilometers
  • 670.379 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
  • 770.826 miles
  • 1240.525 kilometers
  • 669.830 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 Knoxville McGhee Tyson Airport
City: Knoxville, TN
Country: United States Flag of United States
IATA Code: TYS
ICAO Code: KTYS
Coordinates: 35°48′39″N, 83°59′38″W

B Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W

Time difference and current local times

The time difference between Knoxville and Houston is 1 hour. Houston is 1 hour behind Knoxville.

Time Difference

Knoxville, TN

 EDT

Houston, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 132 kg (291 pounds).

Frequent Flyer Miles Calculator

Knoxville (TYS) → Houston (IAH).

Distance:
771
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
771

Round trip?