Distance From Sim Airport to Buffalo Niagara International Airport, SMJ - BUF Distance

The distance from Sim Airport (SMJ) to Buffalo Niagara International Airport (BUF) is 8760 miles or 14098 kilometers or 7607 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 Sim ( Papua New Guinea ) to Buffalo ( United States )?

A one-way nonstop (direct) flight between Sim and Buffalo takes around 20 hours 8 minutes.

Estimated flight time from Sim Airport, Sim, Papua New Guinea to Buffalo Niagara International Airport, Buffalo, United States is 20 hours 8 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 • SMJ - BUF

Kilometers		14098 km
Statute Miles		8760 miles
Nautical Miles		7607 nm
Avg. Time of Flight		20 hours 8 minutes

Sim Airport to Buffalo Niagara International Airport Flight Route Map - SMJ to BUF Flight Path

Location of Sim Airport & Buffalo Niagara International Airport is given below.
Click the map to view Sim to Buffalo nonstop flight path and travel direction.

Click to see flight route on Google Map between Sim, Papua New Guinea and Buffalo, United States. .

Nonstop flight route between Sim, Papua New Guinea and Buffalo, United States.

Time Difference Between the Airports • SMJ - BUF

Time difference between Sim (Papua New Guinea) and Buffalo (United States) is 14 Hours.
Buffalo time is 14 Hours behind Sim.

Location	Local Time
Sim (Papua New Guinea)	2026-05-01, 16:18:12 +10
Buffalo (United States)	2026-05-01, 02:18:12 EDT

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

Sim Airport (SMJ / AYXI) Sim, Papua New Guinea

Destination

Buffalo Niagara International Airport (BUF / KBUF) Buffalo, United States