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GRB to RFD: distance & flight time
Green Bay (Austin Straubel International Airport) → Rockford (Chicago Rockford International Airport)
166 mi
266 km · 144 nm
54m
estimated nonstop flight time
Same time
time difference · heading south
See live GRB→RFD fares Phone-only fares on this route — call free
Flight time details
166 miles nonstop takes roughly 54m gate to gate, flying south. 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
- GRB — Austin Straubel International Airport · Green Bay, United States
- RFD — Chicago Rockford International Airport · Rockford, 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 GRB
- ATW · Appleton International Airport25 mi away
- OSH · Wittman Regional Airport41 mi away
- MNM · Menominee Regional Airport50 mi away
- SBM · Sheboygan County Memorial Airport51 mi away
Near RFD
Frequently asked questions
How far is GRB from RFD?
The flight distance from Green Bay (GRB) to Rockford (RFD) is 166 miles (266 km, 144 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRB to RFD?
A nonstop flight takes about 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 cheapest way to fly from GRB to RFD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRB–RFD that never appear on search engines, with no booking fees.