Distance From Kochi Ryoma Airport to Logan International Airport, KCZ - BOS Distance

The distance from Kochi Ryoma Airport (KCZ) to Logan International Airport (BOS) is 6964 miles or 11207 kilometers or 6048 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 Nankoku ( Japan ) to Boston ( United States )?

A one-way nonstop (direct) flight between Nankoku and Boston takes around 16 hours 0 minutes.

Estimated flight time from Kochi Ryoma Airport, Nankoku, Japan to Logan International Airport, Boston, United States is 16 hours 0 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 • KCZ - BOS

Kilometers		11207 km
Statute Miles		6964 miles
Nautical Miles		6048 nm
Avg. Time of Flight		16 hours 0 minutes

Kochi Ryoma Airport to Logan International Airport Flight Route Map - KCZ to BOS Flight Path

Location of Kochi Ryoma Airport & Logan International Airport is given below.
Click the map to view Nankoku to Boston nonstop flight path and travel direction.

Click to see flight route on Google Map between Nankoku, Japan and Boston, United States. .

Nonstop flight route between Nankoku, Japan and Boston, United States.

Time Difference Between the Airports • KCZ - BOS

Time difference between Nankoku (Japan) and Boston (United States) is 14 Hours.
Boston time is 14 Hours behind Nankoku.

Location	Local Time
Nankoku (Japan)	2025-12-16, 23:20:53 JST
Boston (United States)	2025-12-16, 09:20:53 EST

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

Kochi Ryoma Airport (KCZ / RJOK) Nankoku, Japan

Destination

Logan International Airport (BOS / KBOS) Boston, United States