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RFD to GAI: distance & flight time
Rockford (Chicago Rockford International Airport) → Gaithersburg (Montgomery County Airpark)
659 mi
1,060 km · 572 nm
1h 54m
estimated nonstop flight time
+1h
time difference · heading east
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Flight time details
659 miles nonstop takes roughly 1h 54m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- RFD — Chicago Rockford International Airport · Rockford, 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
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Near RFD
Near GAI
Frequently asked questions
How far is RFD from GAI?
The flight distance from Rockford (RFD) to Gaithersburg (GAI) is 659 miles (1,060 km, 572 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RFD to GAI?
A nonstop flight takes about 1h 54m 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 Rockford and Gaithersburg?
Gaithersburg is 1 hour ahead of Rockford.
What is the cheapest way to fly from RFD to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RFD–GAI that never appear on search engines, with no booking fees.