Distance From Grand Lake St Marys Seaplane Base to Macau International Airport

The distance from Grand Lake St Marys Seaplane Base () to Macau International Airport (MFM) is 7952 miles or 12797 kilometers or 6906 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 St Marys ( United States ) to Nossa Senhora do Carmo ( Macau )?

A one-way nonstop (direct) flight between St Marys and Nossa Senhora do Carmo takes around 18 hours 16 minutes.

Estimated flight time from Grand Lake St Marys Seaplane Base, St Marys, United States to Macau International Airport, Nossa Senhora do Carmo, Macau is 18 hours 16 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 • - MFM

Kilometers		12797 km
Statute Miles		7952 miles
Nautical Miles		6906 nm
Avg. Time of Flight		18 hours 16 minutes

Grand Lake St Marys Seaplane Base to Macau International Airport Flight Route Map - to MFM Flight Path

Location of Grand Lake St Marys Seaplane Base & Macau International Airport is given below.
Click the map to view St Marys to Nossa Senhora do Carmo nonstop flight path and travel direction.

Click to see flight route on Google Map between St Marys, United States and Nossa Senhora do Carmo, Macau. .

Nonstop flight route between St Marys, United States and Nossa Senhora do Carmo, Macau.

Time Difference Between the Airports • - MFM

Time difference between St Marys (United States) and Nossa Senhora do Carmo (Macau) is 13 Hours.
Nossa Senhora do Carmo time is 13 Hours ahead of St Marys.

Location	Local Time
St Marys (United States)	2026-11-08, 20:33:42 EST
Nossa Senhora do Carmo (Macau)	2026-11-09, 09:33:42 CST

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

Grand Lake St Marys Seaplane Base ( / O12) St Marys, United States

Destination

Macau International Airport (MFM / VMMC) Nossa Senhora do Carmo, Macau