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SDF to YSH: distance & flight time

Louisville (Louisville International Standiford Field) → Smiths Falls (Smiths Falls-Montague (Russ Beach) Airport)

689 mi
1,108 km · 598 nm
1h 58m
estimated nonstop flight time
time difference · heading northeast
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Flight time details

689 miles nonstop takes roughly 1h 58m 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

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.

Frequently asked questions

How far is SDF from YSH?

The flight distance from Louisville (SDF) to Smiths Falls (YSH) is 689 miles (1,108 km, 598 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from SDF to YSH?

A nonstop flight takes about 1h 58m 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 SDF to YSH?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–YSH that never appear on search engines, with no booking fees.
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