# Distance between Houston, TX (HOU) and Blountville, TN (TRI)

Flight distance from Houston to Blountville (Houston William P. Hobby Airport – Blountville Tri-Cities Regional Airport) is 882 miles / 1419 kilometers / 766 nautical miles. Estimated flight time is 2 hours 10 minutes.

Driving distance from Houston (HOU) to Blountville (TRI) is 1025 miles / 1649 kilometers and travel time by car is about 17 hours 48 minutes.

## Map of flight path and driving directions from Houston to Blountville.

Shortest flight path between Houston William P. Hobby Airport (HOU) and Blountville Tri-Cities Regional Airport (TRI).

## How far is Blountville from Houston?

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

Vincenty's formula (applied above)
• 881.604 miles
• 1418.804 kilometers
• 766.093 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
• 880.930 miles
• 1417.719 kilometers
• 765.507 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 Houston William P. Hobby Airport
City: Houston, TX
Country: United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″W

B Blountville Tri-Cities Regional Airport
City: Blountville, TN
Country: 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 Houston and Blountville is 1 hour. Blountville is 1 hour ahead of Houston.

CDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 142 kg (313 pounds).

## Frequent Flyer Miles Calculator

Houston (HOU) → Blountville (TRI).

Distance:
882
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
882

Round trip?