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OKD to ALN: distance & flight time
Sapporo (Okadama Airport) → Alton/St Louis (St Louis Regional Airport)
5,922 mi
9,530 km · 5,146 nm
12h 5m
estimated nonstop flight time
—
time difference · heading northeast
See live OKD→ALN fares Phone-only fares on this route — call free
Flight time details
5,922 miles nonstop takes roughly 12h 5m gate to gate, flying northeast. 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
- OKD — Okadama Airport · Sapporo, Japan
- 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 OKD
- CTS · New Chitose Airport28 mi away
- AKJ · Asahikawa Airport66 mi away
- OBO · Tokachi-Obihiro Airport97 mi away
- HKD · Hakodate Airport97 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 OKD from ALN?
The flight distance from Sapporo (OKD) to Alton/St Louis (ALN) is 5,922 miles (9,530 km, 5,146 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKD to ALN?
A nonstop flight takes about 12h 5m 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 OKD to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKD–ALN that never appear on search engines, with no booking fees.