Distance From Thornhill Airfield to Keflavik International Airport

The distance from Thornhill Airfield () to Keflavik International Airport (KEF) is 830 miles or 1335 kilometers or 721 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 Thornhill ( United Kingdom ) to Reykjavík ( Iceland )?

A one-way nonstop (direct) flight between Thornhill and Reykjavík takes around 1 hours 54 minutes.

Estimated flight time from Thornhill Airfield, Thornhill, United Kingdom to Keflavik International Airport, Reykjavík, Iceland is 1 hours 54 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		1335 km
Statute Miles		830 miles
Nautical Miles		721 nm
Avg. Time of Flight		1 hours 54 minutes

Thornhill Airfield to Keflavik International Airport Flight Route Map - to KEF Flight Path

Location of Thornhill Airfield & Keflavik International Airport is given below.
Click the map to view Thornhill to Reykjavík nonstop flight path and travel direction.

Click to see flight route on Google Map between Thornhill, United Kingdom and Reykjavík, Iceland. .

Nonstop flight route between Thornhill, United Kingdom and Reykjavík, Iceland.

Time Difference Between the Airports • - KEF

Time difference between Thornhill (United Kingdom) and Reykjavík (Iceland) is 1 Hours.
Reykjavík time is 1 Hours behind Thornhill.

Location	Local Time
Thornhill (United Kingdom)	2026-08-04, 00:37:58 BST
Reykjavík (Iceland)	2026-08-03, 23:37:58 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

Thornhill Airfield ( / ) Thornhill, United Kingdom

Destination

Keflavik International Airport (KEF / BIKF) Reykjavík, Iceland