The distance from Stewart Airport (ZST) to Louisville Muhammad Ali International Airport (SDF) is 2361 miles or 3799 kilometers or 2050 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
3799 kilometers is the direct flight distance between Stewart Airport (Canada) and Louisville Muhammad Ali International Airport (United States).
How long does it take to travel from Stewart ( Canada ) to Louisville ( United States )?
A one-way nonstop (direct) flight between Stewart and Louisville takes around 5 hours 25 minutes.
Estimated
flight time from Stewart Airport, Stewart, Canada to Louisville Muhammad Ali International Airport, Louisville, United States is
5 hours 25 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • ZST - SDF
| Kilometers | | 3799 km |
| Statute Miles | | 2361 miles |
| Nautical Miles | | 2050 nm |
| Avg. Time of Flight | | 5 hours 25 minutes |
Stewart Airport to Louisville Muhammad Ali International Airport Flight Route Map - ZST to SDF Flight Path
Location of Stewart Airport & Louisville Muhammad Ali International Airport is given below.
Click the map to view Stewart to Louisville nonstop flight path and travel direction.
Click to see flight route on Google Map between Stewart, Canada and Louisville, United States. .
Nonstop flight route between Stewart, Canada and Louisville, United States.
Time Difference Between the Airports • ZST - SDF
Time difference between
Stewart (Canada) and
Louisville (United States) is 3 Hours.
Louisville time is 3 Hours ahead of Stewart.
| Location | Local Time |
| Stewart (Canada) | 2026-10-29, 23:53:17 MST |
| Louisville (United States) | 2026-10-30, 02:53:17 EDT |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.