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MER to SDF: distance & flight time
Merced (Castle Airport) → Louisville (Louisville International Standiford Field)
1,892 mi
3,044 km · 1,644 nm
4h 11m
estimated nonstop flight time
+3h
time difference · heading east
See live MER→SDF fares Phone-only fares on this route — call free
Flight time details
1,892 miles nonstop takes roughly 4h 11m 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
- MER — Castle Airport · Merced, 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 MER
- MCE · Merced Regional Macready Field7 mi away
- MOD · Modesto City Co-Harry Sham Field27 mi away
- RMY · Mariposa Yosemite Airport30 mi away
- MAE · Madera Municipal Airport37 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 MER from SDF?
The flight distance from Merced (MER) to Louisville (SDF) is 1,892 miles (3,044 km, 1,644 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MER to SDF?
A nonstop flight takes about 4h 11m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from MER to SDF?
Nonstop service on MER–SDF depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 4h 11m nonstop estimate.
What is the time difference between Merced and Louisville?
Louisville is 3 hours ahead of Merced.
What is the cheapest way to fly from MER to SDF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MER–SDF that never appear on search engines, with no booking fees.
Why are some MER to SDF fares phone-only?
Consolidator contracts let us sell certain MER–SDF tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.