Need help booking?
Unpublished phone-only deals available
GAI to MSN: distance & flight time
Gaithersburg (Montgomery County Airpark) → Madison (Dane County Regional Truax Field)
689 mi
1,109 km · 599 nm
1h 58m
estimated nonstop flight time
-1h
time difference · heading northwest
See live GAI→MSN fares Phone-only fares on this route — call free
Flight time details
689 miles nonstop takes roughly 1h 58m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- MSN — Dane County Regional Truax Field · Madison, 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 GAI
Near MSN
- JVL · Southern Wisconsin Regional Airport39 mi away
- LNR · Tri-County Regional Airport43 mi away
- FLD · Fond du Lac County Airport61 mi away
- ETB · West Bend Municipal Airport64 mi away
Frequently asked questions
How far is GAI from MSN?
The flight distance from Gaithersburg (GAI) to Madison (MSN) is 689 miles (1,109 km, 599 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to MSN?
A nonstop flight takes about 1h 58m 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 Madison?
Madison is 1 hour behind Gaithersburg.
What is the cheapest way to fly from GAI to MSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–MSN that never appear on search engines, with no booking fees.