# Distance between Casper, WY (CPR) and Blountville, TN (TRI)

Flight distance from Casper to Blountville (Casper–Natrona County International Airport – Blountville Tri-Cities Regional Airport) is 1351 miles / 2175 kilometers / 1174 nautical miles. Estimated flight time is 3 hours 3 minutes.

Driving distance from Casper (CPR) to Blountville (TRI) is 1626 miles / 2617 kilometers and travel time by car is about 27 hours 32 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Blountville Tri-Cities Regional Airport (TRI).

## How far is Blountville from Casper?

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

Vincenty's formula (applied above)
• 1351.203 miles
• 2174.550 kilometers
• 1174.163 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
• 1348.433 miles
• 2170.092 kilometers
• 1171.756 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 Casper–Natrona County International Airport
City: Casper, WY
Country: United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″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 Casper and Blountville is 2 hours. Blountville is 2 hours ahead of Casper.

MDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 170 kg (375 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Blountville (TRI).

Distance:
1351
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1351

Round trip?