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CAT to ASH: distance & flight time
Cascais (Cascais Airport) → Nashua (Boire Field)
3,191 mi
5,136 km · 2,773 nm
6h 43m
estimated nonstop flight time
-5h
time difference · heading northwest
See live CAT→ASH fares Phone-only fares on this route — call free
Flight time details
3,191 miles nonstop takes roughly 6h 43m gate to gate, flying northwest. 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
- ASH — Boire Field · Nashua, 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 ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 mi away
Frequently asked questions
How far is CAT from ASH?
The flight distance from Cascais (CAT) to Nashua (ASH) is 3,191 miles (5,136 km, 2,773 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to ASH?
A nonstop flight takes about 6h 43m 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 Nashua?
Nashua is 5 hours behind Cascais.
What is the cheapest way to fly from CAT to ASH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–ASH that never appear on search engines, with no booking fees.