Need help booking?
Unpublished phone-only deals available
GAI to SYX: distance & flight time
Gaithersburg (Montgomery County Airpark) → Sanya (Sanya Phoenix International Airport)
8,443 mi
13,588 km · 7,337 nm
17h 1m
estimated nonstop flight time
+12h
time difference · heading north
See live GAI→SYX fares Phone-only fares on this route — call free
Flight time details
8,443 miles nonstop takes roughly 17h 1m 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
- SYX — Sanya Phoenix International Airport · Sanya, China
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 SYX
- BAR · Qionghai Bo'ao Airport89 mi away
- HAK · Haikou Meilan International Airport132 mi away
Frequently asked questions
How far is GAI from SYX?
The flight distance from Gaithersburg (GAI) to Sanya (SYX) is 8,443 miles (13,588 km, 7,337 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to SYX?
A nonstop flight takes about 17h 1m 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 Sanya?
Sanya is 12 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to SYX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–SYX that never appear on search engines, with no booking fees.