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TTD to GAI: distance & flight time
Troutdale (Portland Troutdale Airport) → Gaithersburg (Montgomery County Airpark)
2,320 mi
3,733 km · 2,016 nm
5h 1m
estimated nonstop flight time
+3h
time difference · heading east
See live TTD→GAI fares Phone-only fares on this route — call free
Flight time details
2,320 miles nonstop takes roughly 5h 1m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- TTD — Portland Troutdale Airport · Troutdale, United States
- 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 TTD
- PDX · Portland International Airport10 mi away
- HIO · Portland Hillsboro Airport27 mi away
- KLS · Southwest Washington Regional Airport46 mi away
- SLE · Salem Municipal Airport/McNary Field53 mi away
Near GAI
Frequently asked questions
How far is TTD from GAI?
The flight distance from Troutdale (TTD) to Gaithersburg (GAI) is 2,320 miles (3,733 km, 2,016 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TTD to GAI?
A nonstop flight takes about 5h 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 Troutdale and Gaithersburg?
Gaithersburg is 3 hours ahead of Troutdale.
What is the cheapest way to fly from TTD to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TTD–GAI that never appear on search engines, with no booking fees.