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SME to KEF: distance & flight time

Somerset (Lake Cumberland Regional Airport) → Keflavik (Keflavik International Airport)

3,117 mi
5,016 km · 2,708 nm
6h 35m
estimated nonstop flight time
+4h
time difference · heading northeast
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Flight time details

3,117 miles nonstop takes roughly 6h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is SME from KEF?

The flight distance from Somerset (SME) to Keflavik (KEF) is 3,117 miles (5,016 km, 2,708 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from SME to KEF?

A nonstop flight takes about 6h 35m 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 Somerset and Keflavik?

Keflavik is 4 hours ahead of Somerset.

What is the cheapest way to fly from SME to KEF?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SME–KEF that never appear on search engines, with no booking fees.
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