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CEU to OPO: distance & flight time
Clemson (Oconee County Regional Airport) → Porto (Francisco de Sá Carneiro Airport)
3,944 mi
6,348 km · 3,427 nm
8h 12m
estimated nonstop flight time
+5h
time difference · heading northeast
See live CEU→OPO fares Phone-only fares on this route — call free
Flight time details
3,944 miles nonstop takes roughly 8h 12m 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
- CEU — Oconee County Regional Airport · Clemson, United States
- OPO — Francisco de Sá Carneiro Airport · Porto, 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 CEU
- AND · Anderson Regional Airport16 mi away
- TOC · Toccoa Airport - R.G. Letourneau Field24 mi away
- GDC · Donaldson Field Airport30 mi away
- GMU · Greenville Downtown Airport33 mi away
Near OPO
- BGZ · Braga Municipal Aerodrome26 mi away
- VRL · Vila Real Airport50 mi away
- VSE · Aerodromo Goncalves Lobato (Viseu Airport)55 mi away
- VGO · Vigo Airport68 mi away
Frequently asked questions
How far is CEU from OPO?
The flight distance from Clemson (CEU) to Porto (OPO) is 3,944 miles (6,348 km, 3,427 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEU to OPO?
A nonstop flight takes about 8h 12m 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 Clemson and Porto?
Porto is 5 hours ahead of Clemson.
What is the cheapest way to fly from CEU to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEU–OPO that never appear on search engines, with no booking fees.