Distance From Ratmanov (Big Diomede) Heliport to Copenhagen Kastrup Airport

The distance from Ratmanov (Big Diomede) Heliport () to Copenhagen Kastrup Airport (CPH) is 4047 miles or 6512 kilometers or 3514 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.

---

How long does it take to travel from Ratmanov ( Russia ) to Copenhagen ( Denmark )?

A one-way nonstop (direct) flight between Ratmanov and Copenhagen takes around 9 hours 18 minutes.

Estimated flight time from Ratmanov (Big Diomede) Heliport, Ratmanov, Russia to Copenhagen Kastrup Airport, Copenhagen, Denmark is 9 hours 18 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 • - CPH

Kilometers		6512 km
Statute Miles		4047 miles
Nautical Miles		3514 nm
Avg. Time of Flight		9 hours 18 minutes

Ratmanov (Big Diomede) Heliport to Copenhagen Kastrup Airport Flight Route Map - to CPH Flight Path

Location of Ratmanov (Big Diomede) Heliport & Copenhagen Kastrup Airport is given below.
Click the map to view Ratmanov to Copenhagen nonstop flight path and travel direction.

Click to see flight route on Google Map between Ratmanov, Russia and Copenhagen, Denmark. .

Nonstop flight route between Ratmanov, Russia and Copenhagen, Denmark.

Time Difference Between the Airports • - CPH

Time difference between Ratmanov (Russia) and Copenhagen (Denmark) is 11 Hours.
Copenhagen time is 11 Hours behind Ratmanov.

Location	Local Time
Ratmanov (Russia)	2026-01-30, 00:23:49 +12
Copenhagen (Denmark)	2026-01-29, 13:23:49 CET

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

Ratmanov (Big Diomede) Heliport ( / ) Ratmanov, Russia

Destination

Copenhagen Kastrup Airport (CPH / EKCH) Copenhagen, Denmark