Need help booking?
Unpublished phone-only deals available
CMJ to GAI: distance & flight time
Cimei (Chi Mei Airport) → Gaithersburg (Montgomery County Airpark)
7,995 mi
12,867 km · 6,948 nm
16h 9m
estimated nonstop flight time
-12h
time difference · heading north
See live CMJ→GAI fares Phone-only fares on this route — call free
Flight time details
7,995 miles nonstop takes roughly 16h 9m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- CMJ — Chi Mei Airport · Cimei, Taiwan
- GAI — Montgomery County Airpark · Gaithersburg, United States
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 CMJ
- WOT · Wang-an Airport12 mi away
- MZG · Makung Airport28 mi away
- TNN · Tainan Airport53 mi away
- CYI · Chiayi Airport64 mi away
Near GAI
Frequently asked questions
How far is CMJ from GAI?
The flight distance from Cimei (CMJ) to Gaithersburg (GAI) is 7,995 miles (12,867 km, 6,948 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMJ to GAI?
A nonstop flight takes about 16h 9m 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 Cimei and Gaithersburg?
Gaithersburg is 12 hours behind Cimei.
What is the cheapest way to fly from CMJ to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMJ–GAI that never appear on search engines, with no booking fees.