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KEF to RND: distance & flight time
Keflavik (Keflavik International Airport) → San Antonio (Randolph Air Force Base)
3,973 mi
6,393 km · 3,452 nm
8h 15m
estimated nonstop flight time
-5h
time difference · heading west
See live KEF→RND fares Phone-only fares on this route — call free
Flight time details
3,973 miles nonstop takes roughly 8h 15m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- KEF — Keflavik International Airport · Keflavik, Iceland
- RND — Randolph Air Force Base · San Antonio, 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 KEF
- RKV · Reykjavik Airport22 mi away
- GUU · Grundarfjörður Airport72 mi away
- VEY · Vestmannaeyjar Airport81 mi away
- PFJ · Patreksfjörður Airport116 mi away
Near RND
- SAT · San Antonio International Airport11 mi away
- SSF · Stinson Municipal Airport18 mi away
- AUS · Austin Bergstrom International Airport59 mi away
- SKF · Lackland Air Force Base21 mi away
Frequently asked questions
How far is KEF from RND?
The flight distance from Keflavik (KEF) to San Antonio (RND) is 3,973 miles (6,393 km, 3,452 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KEF to RND?
A nonstop flight takes about 8h 15m 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 Keflavik and San Antonio?
San Antonio is 5 hours behind Keflavik.
What is the cheapest way to fly from KEF to RND?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KEF–RND that never appear on search engines, with no booking fees.