Need help booking?
Unpublished phone-only deals available
SDF to BOR: distance & flight time
Louisville (Louisville International Standiford Field) → Belfort (Fontaine Airport)
4,452 mi
7,166 km · 3,869 nm
9h 12m
estimated nonstop flight time
+6h
time difference · heading northeast
See live SDF→BOR fares Phone-only fares on this route — call free
Flight time details
4,452 miles nonstop takes roughly 9h 12m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- SDF — Louisville International Standiford Field · Louisville, United States
- BOR — Fontaine Airport · Belfort, France
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 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
Near BOR
- BSL · EuroAirport Basel-Mulhouse-Freiburg Airport25 mi away
- CMR · Colmar-Houssen Airport35 mi away
- ZHI · Grenchen Airport38 mi away
- QNC · Neuchatel Airport49 mi away
Frequently asked questions
How far is SDF from BOR?
The flight distance from Louisville (SDF) to Belfort (BOR) is 4,452 miles (7,166 km, 3,869 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to BOR?
A nonstop flight takes about 9h 12m 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 Louisville and Belfort?
Belfort is 6 hours ahead of Louisville.
What is the cheapest way to fly from SDF to BOR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–BOR that never appear on search engines, with no booking fees.