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HRO to ALN: distance & flight time
Harrison (Boone County Airport) → Alton/St Louis (St Louis Regional Airport)
249 mi
401 km · 216 nm
1h 7m
estimated nonstop flight time
—
time difference · heading northeast
See live HRO→ALN fares Phone-only fares on this route — call free
Flight time details
249 miles nonstop takes roughly 1h 7m 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
- HRO — Boone County Airport · Harrison, United States
- 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 HRO
- BKG · Branson Airport19 mi away
- FLP · Marion County Regional Airport32 mi away
- WMH · Ozark Regional Airport39 mi away
- FYV · Drake Field59 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 HRO from ALN?
The flight distance from Harrison (HRO) to Alton/St Louis (ALN) is 249 miles (401 km, 216 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HRO to ALN?
A nonstop flight takes about 1h 7m 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 HRO to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HRO–ALN that never appear on search engines, with no booking fees.