Distance From Thorne Bay Seaplane Base to Cologne Bonn Airport, KTB - CGN Distance

The distance from Thorne Bay Seaplane Base (KTB) to Cologne Bonn Airport (CGN) is 4721 miles or 7597 kilometers or 4100 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 Thorne Bay ( United States ) to Köln (Cologne) ( Germany )?

A one-way nonstop (direct) flight between Thorne Bay and Köln (Cologne) takes around 10 hours 51 minutes.

Estimated flight time from Thorne Bay Seaplane Base, Thorne Bay, United States to Cologne Bonn Airport, Köln (Cologne), Germany is 10 hours 51 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 • KTB - CGN

Kilometers		7597 km
Statute Miles		4721 miles
Nautical Miles		4100 nm
Avg. Time of Flight		10 hours 51 minutes

Thorne Bay Seaplane Base to Cologne Bonn Airport Flight Route Map - KTB to CGN Flight Path

Location of Thorne Bay Seaplane Base & Cologne Bonn Airport is given below.
Click the map to view Thorne Bay to Köln (Cologne) nonstop flight path and travel direction.

Click to see flight route on Google Map between Thorne Bay, United States and Köln (Cologne), Germany. .

Nonstop flight route between Thorne Bay, United States and Köln (Cologne), Germany.

Time Difference Between the Airports • KTB - CGN

Time difference between Thorne Bay (United States) and Köln (Cologne) (Germany) is 9 Hours.
Köln (Cologne) time is 9 Hours ahead of Thorne Bay.

Location	Local Time
Thorne Bay (United States)	2026-03-21, 13:40:26 AKDT
Köln (Cologne) (Germany)	2026-03-21, 22:40:26 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

Thorne Bay Seaplane Base (KTB / KTB) Thorne Bay, United States

Destination

Cologne Bonn Airport (CGN / EDDK) Köln (Cologne), Germany