Need help booking?
Unpublished phone-only deals available
GAI to UIH: distance & flight time
Gaithersburg (Montgomery County Airpark) → Phucat (Phu Cat Airport)
8,745 mi
14,073 km · 7,599 nm
17h 37m
estimated nonstop flight time
+11h
time difference · heading north
See live GAI→UIH fares Phone-only fares on this route — call free
Flight time details
8,745 miles nonstop takes roughly 17h 37m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- UIH — Phu Cat Airport · Phucat, Vietnam
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 UIH
- TBB · Dong Tac Airport66 mi away
- PXU · Pleiku Airport69 mi away
- VCL · Chu Lai International Airport103 mi away
- BMV · Buon Ma Thuot Airport108 mi away
Frequently asked questions
How far is GAI from UIH?
The flight distance from Gaithersburg (GAI) to Phucat (UIH) is 8,745 miles (14,073 km, 7,599 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to UIH?
A nonstop flight takes about 17h 37m 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 Phucat?
Phucat is 11 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to UIH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–UIH that never appear on search engines, with no booking fees.