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EFL to CSM: distance & flight time
Keffallinia (Kefallinia Airport) → Clinton (Clinton Sherman Airport)
6,064 mi
9,758 km · 5,269 nm
12h 21m
estimated nonstop flight time
-8h
time difference · heading northwest
See live EFL→CSM fares Phone-only fares on this route — call free
Flight time details
6,064 miles nonstop takes roughly 12h 21m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- EFL — Kefallinia Airport · Keffallinia, Greece
- CSM — Clinton Sherman Airport · Clinton, 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 EFL
- ZTH · Zakynthos International Airport "Dionysios Solomos"33 mi away
- PYR · Andravida Air Base45 mi away
- GPA · Araxos Airport50 mi away
- AGQ · Agrinion Air Base57 mi away
Near CSM
- HBR · Hobart Regional Airport26 mi away
- LTS · Altus Air Force Base47 mi away
- FSI · Henry Post Army Air Field (Fort Sill)66 mi away
- LAW · Lawton Fort Sill Regional Airport69 mi away
Frequently asked questions
How far is EFL from CSM?
The flight distance from Keffallinia (EFL) to Clinton (CSM) is 6,064 miles (9,758 km, 5,269 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from EFL to CSM?
A nonstop flight takes about 12h 21m 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 EFL to CSM?
Nonstop service on EFL–CSM 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 12h 21m nonstop estimate.
What is the time difference between Keffallinia and Clinton?
Clinton is 8 hours behind Keffallinia.
What is the cheapest way to fly from EFL to CSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EFL–CSM that never appear on search engines, with no booking fees.
Why are some EFL to CSM fares phone-only?
Consolidator contracts let us sell certain EFL–CSM 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.