Air Miles Calculator

Distance between St Louis, MO (STL) and Johnstown, PA (JST)

Flight distance from St Louis to Johnstown (St. Louis Lambert International Airport – Johnstown–Cambria County Airport) is 625 miles / 1006 kilometers / 543 nautical miles. Estimated flight time is 1 hour 41 minutes.

Driving distance from St Louis (STL) to Johnstown (JST) is 679 miles / 1093 kilometers and travel time by car is about 12 hours 23 minutes.

Map of flight path and driving directions from St Louis to Johnstown.

Shortest flight path between St. Louis Lambert International Airport (STL) and Johnstown–Cambria County Airport (JST).

How far is Johnstown from St Louis?

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

Vincenty's formula (applied above)
  • 625.216 miles
  • 1006.187 kilometers
  • 543.298 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
  • 623.744 miles
  • 1003.819 kilometers
  • 542.019 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 St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″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 St Louis and Johnstown is 1 hour. Johnstown is 1 hour ahead of St Louis.

Time Difference

St Louis, MO

 CST

Johnstown, PA

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 116 kg (255 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Johnstown (JST).

Distance:
625
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
625

Round trip?