Air Miles Calculator

Distance between Louisville, KY (SDF) and Reading, PA (RDG)

Flight distance from Louisville to Reading (Louisville International Airport – Reading Regional Airport) is 545 miles / 877 kilometers / 474 nautical miles. Estimated flight time is 1 hour 31 minutes.

Driving distance from Louisville (SDF) to Reading (RDG) is 662 miles / 1066 kilometers and travel time by car is about 11 hours 32 minutes.

Map of flight path and driving directions from Louisville to Reading.

Shortest flight path between Louisville International Airport (SDF) and Reading Regional Airport (RDG).

How far is Reading from Louisville?

There are several ways to calculate distances between Louisville and Reading. Here are two common methods:

Vincenty's formula (applied above)
  • 545.163 miles
  • 877.354 kilometers
  • 473.733 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
  • 543.994 miles
  • 875.473 kilometers
  • 472.718 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 Louisville International Airport
City: Louisville, KY
Country: United States Flag of United States
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″W

B Reading Regional Airport
City: Reading, PA
Country: United States Flag of United States
IATA Code: RDG
ICAO Code: KRDG
Coordinates: 40°22′42″N, 75°57′54″W

Time difference and current local times

There is no time difference between Louisville and Reading.

Time Difference

Louisville, KY

 EDT

Reading, PA

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 105 kg (232 pounds).

Frequent Flyer Miles Calculator

Louisville (SDF) → Reading (RDG).

Distance:
545
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
545

Round trip?