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GAI to JSY: distance & flight time
Gaithersburg (Montgomery County Airpark) → Syros Island (Syros Airport)
5,199 mi
8,368 km · 4,518 nm
10h 40m
estimated nonstop flight time
+7h
time difference · heading northeast
See live GAI→JSY fares Phone-only fares on this route — call free
Flight time details
5,199 miles nonstop takes roughly 10h 40m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- JSY — Syros Airport · Syros Island, Greece
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 JSY
- JMK · Mikonos Airport22 mi away
- PAS · Paros National Airport29 mi away
- JNX · Naxos Airport33 mi away
- MLO · Milos Airport57 mi away
Frequently asked questions
How far is GAI from JSY?
The flight distance from Gaithersburg (GAI) to Syros Island (JSY) is 5,199 miles (8,368 km, 4,518 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to JSY?
A nonstop flight takes about 10h 40m 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 Syros Island?
Syros Island is 7 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to JSY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–JSY that never appear on search engines, with no booking fees.