Air Miles Calculator

Distance between Lafayette, LA (LFT) and Johnstown, PA (JST)

Flight distance from Lafayette to Johnstown (Lafayette Regional Airport – Johnstown–Cambria County Airport) is 1017 miles / 1637 kilometers / 884 nautical miles. Estimated flight time is 2 hours 25 minutes.

Driving distance from Lafayette (LFT) to Johnstown (JST) is 1234 miles / 1986 kilometers and travel time by car is about 21 hours 39 minutes.

Map of flight path and driving directions from Lafayette to Johnstown.

Shortest flight path between Lafayette Regional Airport (LFT) and Johnstown–Cambria County Airport (JST).

How far is Johnstown from Lafayette?

There are several ways to calculate distances between Lafayette and Johnstown. Here are two common methods:

Vincenty's formula (applied above)
  • 1017.156 miles
  • 1636.953 kilometers
  • 883.884 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
  • 1017.026 miles
  • 1636.745 kilometers
  • 883.772 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 Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″W

B Johnstown–Cambria County Airport
City: Johnstown, PA
Country: United States Flag of United States
IATA Code: JST
ICAO Code: KJST
Coordinates: 40°18′57″N, 78°50′2″W

Time difference and current local times

The time difference between Lafayette and Johnstown is 1 hour. Johnstown is 1 hour ahead of Lafayette.

Time Difference

Lafayette, LA

 CST

Johnstown, PA

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 152 kg (335 pounds).

Frequent Flyer Miles Calculator

Lafayette (LFT) → Johnstown (JST).

Distance:
1017
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1017

Round trip?