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GAI to RDG: distance & flight time
Gaithersburg (Montgomery County Airpark) → Reading (Reading Regional Carl A Spaatz Field)
105 mi
169 km · 91 nm
45m
estimated nonstop flight time
Same time
time difference · heading northeast
See live GAI→RDG fares Phone-only fares on this route — call free
Flight time details
105 miles nonstop takes roughly 45m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- RDG — Reading Regional Carl A Spaatz Field · Reading, 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 RDG
- PHL · Philadelphia International Airport52 mi away
- LNS · Lancaster Airport25 mi away
- CTH · Chester County G O Carlson Airport28 mi away
- UKT · Quakertown Airport31 mi away
Frequently asked questions
How far is GAI from RDG?
The flight distance from Gaithersburg (GAI) to Reading (RDG) is 105 miles (169 km, 91 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to RDG?
A nonstop flight takes about 45m 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 cheapest way to fly from GAI to RDG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–RDG that never appear on search engines, with no booking fees.