Need help booking?
Unpublished phone-only deals available
GAI to MFM: distance & flight time
Gaithersburg (Montgomery County Airpark) → Macau (Macau International Airport)
8,143 mi
13,106 km · 7,076 nm
16h 26m
estimated nonstop flight time
+12h
time difference · heading north
See live GAI→MFM fares Phone-only fares on this route — call free
Flight time details
8,143 miles nonstop takes roughly 16h 26m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- MFM — Macau International Airport · Macau, Macau
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near GAI
Near MFM
- HKG · Hong Kong International Airport23 mi away
- ZUH · Zhuhai Jinwan Airport17 mi away
- SZX · Shenzhen Bao'an International Airport37 mi away
- HHP · Shun Tak Heliport37 mi away
Frequently asked questions
How far is GAI from MFM?
The flight distance from Gaithersburg (GAI) to Macau (MFM) is 8,143 miles (13,106 km, 7,076 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to MFM?
A nonstop flight takes about 16h 26m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Gaithersburg and Macau?
Macau is 12 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to MFM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–MFM that never appear on search engines, with no booking fees.