Distance From Niihama Heliport to Suvarnabhumi Airport

The distance from Niihama Heliport () to Suvarnabhumi Airport (BKK) is 2471 miles or 3977 kilometers or 2146 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 Niihama ( Japan ) to Bangkok ( Thailand )?

A one-way nonstop (direct) flight between Niihama and Bangkok takes around 5 hours 40 minutes.

Estimated flight time from Niihama Heliport, Niihama, Japan to Suvarnabhumi Airport, Bangkok, Thailand is 5 hours 40 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 • - BKK

Kilometers		3977 km
Statute Miles		2471 miles
Nautical Miles		2146 nm
Avg. Time of Flight		5 hours 40 minutes

Niihama Heliport to Suvarnabhumi Airport Flight Route Map - to BKK Flight Path

Location of Niihama Heliport & Suvarnabhumi Airport is given below.
Click the map to view Niihama to Bangkok nonstop flight path and travel direction.

Click to see flight route on Google Map between Niihama, Japan and Bangkok, Thailand. .

Nonstop flight route between Niihama, Japan and Bangkok, Thailand.

Time Difference Between the Airports • - BKK

Time difference between Niihama (Japan) and Bangkok (Thailand) is 2 Hours.
Bangkok time is 2 Hours behind Niihama.

Location	Local Time
Niihama (Japan)	2026-03-20, 17:08:17 JST
Bangkok (Thailand)	2026-03-20, 15:08:17 +07

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

Niihama Heliport ( / ) Niihama, Japan

Destination

Suvarnabhumi Airport (BKK / VTBS) Bangkok, Thailand