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SYD to SDY: distance & flight time
Sydney (Sydney Kingsford Smith International Airport) → Sidney (Sidney - Richland Regional Airport)
8,543 mi
13,749 km · 7,424 nm
17h 13m
estimated nonstop flight time
-16h
time difference · heading northeast
See live SYD→SDY fares Phone-only fares on this route — call free
Flight time details
8,543 miles nonstop takes roughly 17h 13m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- SYD — Sydney Kingsford Smith International Airport · Sydney, Australia
- SDY — Sidney - Richland Regional Airport · Sidney, 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 SYD
- BWU · Sydney Bankstown Airport11 mi away
- CDU · Camden Airport29 mi away
- XRH · RAAF Base Richmond33 mi away
- WOL · Wollongong Airport48 mi away
Near SDY
- ISN · Sloulin Field International Airport41 mi away
- GDV · Dawson Community Airport49 mi away
- OLF · L M Clayton Airport69 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport91 mi away
Frequently asked questions
How far is SYD from SDY?
The flight distance from Sydney (SYD) to Sidney (SDY) is 8,543 miles (13,749 km, 7,424 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYD to SDY?
A nonstop flight takes about 17h 13m 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 time difference between Sydney and Sidney?
Sidney is 16 hours behind Sydney.
What is the cheapest way to fly from SYD to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYD–SDY that never appear on search engines, with no booking fees.