Distance From Alton Bay Seaplane Base to M. R. Štefánik Airport

The distance from Alton Bay Seaplane Base () to M. R. Štefánik Airport (BTS) is 4027 miles or 6480 kilometers or 3497 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 Alton Bay ( United States ) to Bratislava ( Slovakia )?

A one-way nonstop (direct) flight between Alton Bay and Bratislava takes around 9 hours 15 minutes.

Estimated flight time from Alton Bay Seaplane Base, Alton Bay, United States to M. R. Štefánik Airport, Bratislava, Slovakia is 9 hours 15 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 • - BTS

Kilometers		6480 km
Statute Miles		4027 miles
Nautical Miles		3497 nm
Avg. Time of Flight		9 hours 15 minutes

Alton Bay Seaplane Base to M. R. Štefánik Airport Flight Route Map - to BTS Flight Path

Location of Alton Bay Seaplane Base & M. R. Štefánik Airport is given below.
Click the map to view Alton Bay to Bratislava nonstop flight path and travel direction.

Click to see flight route on Google Map between Alton Bay, United States and Bratislava, Slovakia. .

Nonstop flight route between Alton Bay, United States and Bratislava, Slovakia.

Time Difference Between the Airports • - BTS

Time difference between Alton Bay (United States) and Bratislava (Slovakia) is 6 Hours.
Bratislava time is 6 Hours ahead of Alton Bay.

Location	Local Time
Alton Bay (United States)	2025-12-16, 12:46:48 EST
Bratislava (Slovakia)	2025-12-16, 18:46:48 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

Alton Bay Seaplane Base ( / B18) Alton Bay, United States

Destination

M. R. Štefánik Airport (BTS / LZIB) Bratislava, Slovakia