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CLJ to ALN: distance & flight time
Cluj-napoca (Cluj-Napoca International Airport) → Alton/St Louis (St Louis Regional Airport)
5,246 mi
8,443 km · 4,559 nm
10h 45m
estimated nonstop flight time
—
time difference · heading northwest
See live CLJ→ALN fares Phone-only fares on this route — call free
Flight time details
5,246 miles nonstop takes roughly 10h 45m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- CLJ — Cluj-Napoca International Airport · Cluj-napoca, Romania
- ALN — St Louis Regional Airport · Alton/St Louis, 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 CLJ
- TGM · Transilvania Târgu Mureş International Airport41 mi away
- BAY · Tautii Magheraus Airport61 mi away
- SBZ · Sibiu International Airport72 mi away
- SUJ · Satu Mare Airport74 mi away
Near ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Frequently asked questions
How far is CLJ from ALN?
The flight distance from Cluj-napoca (CLJ) to Alton/St Louis (ALN) is 5,246 miles (8,443 km, 4,559 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CLJ to ALN?
A nonstop flight takes about 10h 45m 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 cheapest way to fly from CLJ to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CLJ–ALN that never appear on search engines, with no booking fees.