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EFL to CPR: distance & flight time
Keffallinia (Kefallinia Airport) → Casper (Casper-Natrona County International Airport)
5,926 mi
9,537 km · 5,150 nm
12h 5m
estimated nonstop flight time
-9h
time difference · heading northwest
See live EFL→CPR fares Phone-only fares on this route — call free
Flight time details
5,926 miles nonstop takes roughly 12h 5m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- EFL — Kefallinia Airport · Keffallinia, Greece
- CPR — Casper-Natrona County International Airport · Casper, 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 CPR
- RWL · Rawlins Municipal Airport/Harvey Field85 mi away
- RIW · Riverton Regional Airport101 mi away
- SAA · Shively Field103 mi away
- WRL · Worland Municipal Airport104 mi away
Frequently asked questions
How far is EFL from CPR?
The flight distance from Keffallinia (EFL) to Casper (CPR) is 5,926 miles (9,537 km, 5,150 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from EFL to CPR?
A nonstop flight takes about 12h 5m 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 Keffallinia and Casper?
Casper is 9 hours behind Keffallinia.
What is the cheapest way to fly from EFL to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EFL–CPR that never appear on search engines, with no booking fees.