# Distance between Casper, WY (CPR) and Boston, MA (BOS)

Flight distance from Casper to Boston (Casper–Natrona County International Airport – Logan International Airport) is 1794 miles / 2887 kilometers / 1559 nautical miles. Estimated flight time is 3 hours 53 minutes.

Driving distance from Casper (CPR) to Boston (BOS) is 2126 miles / 3422 kilometers and travel time by car is about 36 hours 6 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Logan International Airport (BOS).

## How far is Boston from Casper?

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

Vincenty's formula (applied above)
• 1794.051 miles
• 2887.245 kilometers
• 1558.987 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
• 1789.296 miles
• 2879.592 kilometers
• 1554.855 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 Logan International Airport
City: Boston, MA
Country: United States
IATA Code: BOS
ICAO Code: KBOS
Coordinates: 42°21′51″N, 71°0′18″W

## Time difference and current local times

The time difference between Casper and Boston is 2 hours. Boston is 2 hours ahead of Casper.

MST

EST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 200 kg (440 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Boston (BOS).

Distance:
1794
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1794

Round trip?