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Longest flights from KEF
Keflavik International Airport in Reykjavik, Iceland has 59 nonstop destinations in the current FlightQ schedule set. This page ranks the farthest routes by airport-to-airport distance and adds airlines, frequency, and estimated flight time.
Schedule snapshot checked Oct 12, 2026.
The longest listed nonstop flight from KEF is to Portland (PDX), about 3,727 miles with an estimated block time of ~8h 16m.
- Routes ranked
- 25
- International
- 25
- Top markets
- United States, Canada, and Spain
Farthest nonstop routes
| # | Route | Distance | Est. time | Airlines | Frequency |
|---|---|---|---|---|---|
| 1 | KEF to PDX Portland, United States | 3,727 mi | ~8h 16m | 1/day | |
| 2 | KEF to SEA Seattle, United States | 3,611 mi | ~8h 2m | 1-2/day | |
| 3 | KEF to DEN Denver, United States | 3,559 mi | ~7h 56m | 1/day | |
| 4 | KEF to YVR Vancouver, Canada | 3,532 mi | ~7h 52m | 1/day | |
| 5 | KEF to MCO Orlando, United States | 3,529 mi | ~7h 52m | 1/day | |
| 6 | KEF to BNA Nashville, United States | 3,233 mi | ~7h 15m | 1/day | |
| 7 | KEF to RDU Raleigh, United States | 3,011 mi | ~6h 48m | 1/day | |
| 8 | KEF to ORD Chicago, United States | 2,936 mi | ~6h 39m | 1-2/day | |
| 9 | KEF to MSP Minneapolis, United States | 2,936 mi | ~6h 39m | 1/day | |
| 10 | KEF to IAD Washington, United States | 2,793 mi | ~6h 21m | 1/day | |
| 11 | KEF to PIT Pittsburgh, United States | 2,788 mi | ~6h 20m | 3×/wk | |
| 12 | KEF to BWI Baltimore, United States | 2,756 mi | ~6h 16m | 1-2/day | |
| 13 | KEF to EWR Newark, United States | 2,595 mi | ~5h 56m | 1/day | |
| 14 | KEF to YYZ Toronto, Canada | 2,591 mi | ~5h 56m | 2-3/day | |
| 15 | KEF to JFK New York, United States | 2,587 mi | ~5h 55m | 2-3/day | |
| 16 | KEF to LPA Gran Canaria Island, Spain | 2,512 mi | ~5h 46m | 2×/wk | |
| 17 | KEF to TFS Tenerife Island, Spain | 2,498 mi | ~5h 44m | 1/day | |
| 18 | KEF to BOS Boston, United States | 2,407 mi | ~5h 33m | 1-2/day | |
| 19 | KEF to YUL Montreal, Canada | 2,316 mi | ~5h 22m | 3×/wk | |
| 20 | KEF to FCO Rome, Italy | 2,062 mi | ~4h 50m | 1/day | |
| 21 | KEF to YHZ Halifax, Canada | 2,049 mi | ~4h 49m | 2×/wk | |
| 22 | KEF to AGP Malaga, Spain | 2,032 mi | ~4h 47m | 2×/wk | |
| 23 | KEF to ALC Alicante, Spain | 1,993 mi | ~4h 42m | 5×/wk | |
| 24 | KEF to BUD Budapest, Hungary | 1,935 mi | ~4h 35m | 1/day | |
| 25 | KEF to BCN Barcelona, Spain | 1,852 mi | ~4h 24m | 1/day |
Distance is great-circle mileage. Estimated time uses a standard block-time model until a route has enough tracked duration data on its route guide.
Full route map
Tap a line to see the route. Farthest is KEF to PDX at 3,727 mi. Scroll or pinch to zoom, drag to pan.
Lines are true great circles on a map centred on KEF, so the curve you see is the route's real shortest path. Select one to jump to its row.
FAQ
What is the longest flight from KEF?
The longest nonstop route in FlightQ's current KEF schedule set is KEF to PDX, about 3,727 miles with an estimated block time of ~8h 16m.
How are the longest KEF flights ranked?
Routes are ranked by great-circle distance between the origin and destination airports. Flight times are estimates unless a route page has tracked duration data.
Are these guaranteed live routes?
The list is built from FlightQ's current schedule capture. Airlines change timetables often, so always confirm dates and availability before booking.