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TCM to GAI: distance & flight time
Tacoma (McChord Air Force Base) → Gaithersburg (Montgomery County Airpark)
2,315 mi
3,725 km · 2,012 nm
5h
estimated nonstop flight time
+3h
time difference · heading east
See live TCM→GAI fares Phone-only fares on this route — call free
Flight time details
2,315 miles nonstop takes roughly 5h 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
- TCM — McChord Air Force Base · Tacoma, 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 TCM
- SEA · Seattle Tacoma International Airport23 mi away
- GRF · Gray Army Air Field6 mi away
- TIW · Tacoma Narrows Airport10 mi away
- OLM · Olympia Regional Airport23 mi away
Near GAI
Frequently asked questions
How far is TCM from GAI?
The flight distance from Tacoma (TCM) to Gaithersburg (GAI) is 2,315 miles (3,725 km, 2,012 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TCM to GAI?
A nonstop flight takes about 5h 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 Tacoma and Gaithersburg?
Gaithersburg is 3 hours ahead of Tacoma.
What is the cheapest way to fly from TCM to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TCM–GAI that never appear on search engines, with no booking fees.