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CAT to RMG: distance & flight time
Cascais (Cascais Airport) → Rome (Richard B Russell Airport)
4,095 mi
6,591 km · 3,559 nm
8h 30m
estimated nonstop flight time
-5h
time difference · heading west
See live CAT→RMG fares Phone-only fares on this route — call free
Flight time details
4,095 miles nonstop takes roughly 8h 30m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- CAT — Cascais Airport · Cascais, Portugal
- RMG — Richard B Russell Airport · Rome, 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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 mi away
Near RMG
- ATL · Hartsfield Jackson Atlanta International Airport65 mi away
- DNN · Dalton Municipal Airport30 mi away
- CHA · Lovell Field47 mi away
- MGE · Dobbins Air Reserve Base47 mi away
Frequently asked questions
How far is CAT from RMG?
The flight distance from Cascais (CAT) to Rome (RMG) is 4,095 miles (6,591 km, 3,559 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to RMG?
A nonstop flight takes about 8h 30m 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 Cascais and Rome?
Rome is 5 hours behind Cascais.
What is the cheapest way to fly from CAT to RMG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–RMG that never appear on search engines, with no booking fees.