Need help booking?
Unpublished phone-only deals available
PAO to SDF: distance & flight time
Palo Alto (Palo Alto Airport of Santa Clara County) → Louisville (Louisville International Standiford Field)
1,973 mi
3,176 km · 1,715 nm
4h 20m
estimated nonstop flight time
+3h
time difference · heading east
See live PAO→SDF fares Phone-only fares on this route — call free
Flight time details
1,973 miles nonstop takes roughly 4h 20m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- PAO — Palo Alto Airport of Santa Clara County · Palo Alto, United States
- SDF — Louisville International Standiford Field · Louisville, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near PAO
- SFO · San Francisco International Airport18 mi away
- NUQ · Moffett Federal Airfield5 mi away
- SQL · San Carlos Airport8 mi away
- SJC · Norman Y. Mineta San Jose International Airport12 mi away
Near SDF
- LOU · Bowman Field5 mi away
- FTK · Godman Army Air Field22 mi away
- FFT · Capital City Airport45 mi away
- LEX · Blue Grass Airport62 mi away
Frequently asked questions
How far is PAO from SDF?
The flight distance from Palo Alto (PAO) to Louisville (SDF) is 1,973 miles (3,176 km, 1,715 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PAO to SDF?
A nonstop flight takes about 4h 20m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Palo Alto and Louisville?
Louisville is 3 hours ahead of Palo Alto.
What is the cheapest way to fly from PAO to SDF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PAO–SDF that never appear on search engines, with no booking fees.