Need help booking?
Unpublished phone-only deals available
GUH to SIO: distance & flight time
(Gunnedah Airport) → (Smithton Airport)
741 mi
1,192 km · 644 nm
2h 5m
estimated nonstop flight time
—
time difference · heading south
See live GUH→SIO fares Phone-only fares on this route — call free
Flight time details
741 miles nonstop takes roughly 2h 5m gate to gate, flying south. 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
- GUH — Gunnedah Airport · , Australia
- SIO — Smithton Airport · , Australia
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 GUH
- TMW · Tamworth Airport36 mi away
- NAA · Narrabri Airport51 mi away
- COJ · Coonabarabran Airport64 mi away
- NSO · Scone Airport82 mi away
Near SIO
- BWT · Wynyard Airport36 mi away
- DPO · Devonport Airport74 mi away
- KNS · King Island Airport92 mi away
- SRN · Strahan Airport92 mi away
Frequently asked questions
How far is GUH from SIO?
The flight distance from (GUH) to (SIO) is 741 miles (1,192 km, 644 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GUH to SIO?
A nonstop flight takes about 2h 5m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GUH to SIO?
Nonstop service on GUH–SIO depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 5m nonstop estimate.
What is the cheapest way to fly from GUH to SIO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GUH–SIO that never appear on search engines, with no booking fees.
Why are some GUH to SIO fares phone-only?
Consolidator contracts let us sell certain GUH–SIO tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.