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CMH to CAT: distance & flight time
Columbus (John Glenn Columbus International Airport) → Cascais (Cascais Airport)
3,810 mi
6,132 km · 3,311 nm
7h 56m
estimated nonstop flight time
+5h
time difference · heading northeast
See live CMH→CAT fares Phone-only fares on this route — call free
Flight time details
3,810 miles nonstop takes roughly 7h 56m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- CMH — John Glenn Columbus International Airport · Columbus, United States
- CAT — Cascais Airport · Cascais, 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 CMH
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
Frequently asked questions
How far is CMH from CAT?
The flight distance from Columbus (CMH) to Cascais (CAT) is 3,810 miles (6,132 km, 3,311 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMH to CAT?
A nonstop flight takes about 7h 56m 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 Columbus and Cascais?
Cascais is 5 hours ahead of Columbus.
What is the cheapest way to fly from CMH to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMH–CAT that never appear on search engines, with no booking fees.