Distance From Knox County Airport to Keflavik International Airport

The distance from Knox County Airport () to Keflavik International Airport (KEF) is 2866 miles or 4613 kilometers or 2489 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Mount Vernon ( United States ) to Reykjavík ( Iceland )?

A one-way nonstop (direct) flight between Mount Vernon and Reykjavík takes around 6 hours 35 minutes.

Estimated flight time from Knox County Airport, Mount Vernon, United States to Keflavik International Airport, Reykjavík, Iceland is 6 hours 35 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - KEF

Kilometers		4613 km
Statute Miles		2866 miles
Nautical Miles		2489 nm
Avg. Time of Flight		6 hours 35 minutes

Knox County Airport to Keflavik International Airport Flight Route Map - to KEF Flight Path

Location of Knox County Airport & Keflavik International Airport is given below.
Click the map to view Mount Vernon to Reykjavík nonstop flight path and travel direction.

Click to see flight route on Google Map between Mount Vernon, United States and Reykjavík, Iceland. .

Nonstop flight route between Mount Vernon, United States and Reykjavík, Iceland.

Time Difference Between the Airports • - KEF

Time difference between Mount Vernon (United States) and Reykjavík (Iceland) is 4 Hours.
Reykjavík time is 4 Hours ahead of Mount Vernon.

Location	Local Time
Mount Vernon (United States)	2026-09-17, 03:00:41 EDT
Reykjavík (Iceland)	2026-09-17, 07:00:41 GMT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Knox County Airport ( / K4I3) Mount Vernon, United States

Destination

Keflavik International Airport (KEF / BIKF) Reykjavík, Iceland