Distance From San Juan /Uganik/ Seaplane Base to Kagoshima Airport, UGI - KOJ Distance

The distance from San Juan /Uganik/ Seaplane Base (UGI) to Kagoshima Airport (KOJ) is 3886 miles or 6254 kilometers or 3375 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 San Juan ( United States ) to Kagoshima ( Japan )?

A one-way nonstop (direct) flight between San Juan and Kagoshima takes around 8 hours 56 minutes.

Estimated flight time from San Juan /Uganik/ Seaplane Base, San Juan, United States to Kagoshima Airport, Kagoshima, Japan is 8 hours 56 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 • UGI - KOJ

Kilometers		6254 km
Statute Miles		3886 miles
Nautical Miles		3375 nm
Avg. Time of Flight		8 hours 56 minutes

San Juan /Uganik/ Seaplane Base to Kagoshima Airport Flight Route Map - UGI to KOJ Flight Path

Location of San Juan /Uganik/ Seaplane Base & Kagoshima Airport is given below.
Click the map to view San Juan to Kagoshima nonstop flight path and travel direction.

Click to see flight route on Google Map between San Juan, United States and Kagoshima, Japan. .

Nonstop flight route between San Juan, United States and Kagoshima, Japan.

Time Difference Between the Airports • UGI - KOJ

Time difference between San Juan (United States) and Kagoshima (Japan) is 17 Hours.
Kagoshima time is 17 Hours ahead of San Juan.

Location	Local Time
San Juan (United States)	2026-06-23, 04:27:47 AKDT
Kagoshima (Japan)	2026-06-23, 21:27:47 JST

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

San Juan /Uganik/ Seaplane Base (UGI / ) San Juan, United States

Destination

Kagoshima Airport (KOJ / RJFK) Kagoshima, Japan