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GAI to VCS: distance & flight time
Gaithersburg (Montgomery County Airpark) → Conson (Co Ong Airport)
9,118 mi
14,674 km · 7,924 nm
18h 21m
estimated nonstop flight time
+11h
time difference · heading north
See live GAI→VCS fares Phone-only fares on this route — call free
Flight time details
9,118 miles nonstop takes roughly 18h 21m 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
- VCS — Co Ong Airport · Conson, 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 VCS
- CAH · Cà Mau Airport104 mi away
- VCA · Can Tho International Airport113 mi away
- VKG · Rach Gia Airport133 mi away
- SGN · Tan Son Nhat International Airport144 mi away
Frequently asked questions
How far is GAI from VCS?
The flight distance from Gaithersburg (GAI) to Conson (VCS) is 9,118 miles (14,674 km, 7,924 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to VCS?
A nonstop flight takes about 18h 21m 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 Conson?
Conson is 11 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to VCS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–VCS that never appear on search engines, with no booking fees.