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RFD to AVR: distance & flight time
Rockford (Chicago Rockford International Airport) → Alverca (Alverca Air Base)
4,048 mi
6,515 km · 3,518 nm
8h 24m
estimated nonstop flight time
+6h
time difference · heading northeast
See live RFD→AVR fares Phone-only fares on this route — call free
Flight time details
4,048 miles nonstop takes roughly 8h 24m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- RFD — Chicago Rockford International Airport · Rockford, United States
- AVR — Alverca Air Base · Alverca, Portugal
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 RFD
Near AVR
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)9 mi away
- CAT · Cascais Airport21 mi away
- QLR · Monte Real Air Base66 mi away
- BYJ · Beja Airport / Airbase81 mi away
Frequently asked questions
How far is RFD from AVR?
The flight distance from Rockford (RFD) to Alverca (AVR) is 4,048 miles (6,515 km, 3,518 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RFD to AVR?
A nonstop flight takes about 8h 24m 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 Alverca?
Alverca is 6 hours ahead of Rockford.
What is the cheapest way to fly from RFD to AVR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RFD–AVR that never appear on search engines, with no booking fees.