Distance From Round Mountain Substation Heliport to Keflavik International Airport

The distance from Round Mountain Substation Heliport () to Keflavik International Airport (KEF) is 3991 miles or 6423 kilometers or 3466 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 Round Mountain ( United States ) to Reykjavík ( Iceland )?

A one-way nonstop (direct) flight between Round Mountain and Reykjavík takes around 9 hours 10 minutes.

Estimated flight time from Round Mountain Substation Heliport, Round Mountain, United States to Keflavik International Airport, Reykjavík, Iceland is 9 hours 10 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		6423 km
Statute Miles		3991 miles
Nautical Miles		3466 nm
Avg. Time of Flight		9 hours 10 minutes

Round Mountain Substation Heliport to Keflavik International Airport Flight Route Map - to KEF Flight Path

Location of Round Mountain Substation Heliport & Keflavik International Airport is given below.
Click the map to view Round Mountain to Reykjavík nonstop flight path and travel direction.

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

Nonstop flight route between Round Mountain, United States and Reykjavík, Iceland.

Time Difference Between the Airports • - KEF

Time difference between Round Mountain (United States) and Reykjavík (Iceland) is 6 Hours.
Reykjavík time is 6 Hours ahead of Round Mountain.

Location	Local Time
Round Mountain (United States)	2026-08-07, 22:50:32 MDT
Reykjavík (Iceland)	2026-08-08, 04:50:32 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

Round Mountain Substation Heliport ( / ) Round Mountain, United States

Destination

Keflavik International Airport (KEF / BIKF) Reykjavík, Iceland