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HEM to SDY: distance & flight time
Helsinki (Helsinki Malmi Airport) → Sidney (Sidney - Richland Regional Airport)
4,454 mi
7,168 km · 3,870 nm
9h 12m
estimated nonstop flight time
-9h
time difference · heading northwest
See live HEM→SDY fares Phone-only fares on this route — call free
Flight time details
4,454 miles nonstop takes roughly 9h 12m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- HEM — Helsinki Malmi Airport · Helsinki, Finland
- 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 HEM
- HEL · Helsinki Vantaa Airport5 mi away
- HYV · Hyvinkää Airfield28 mi away
- TLL · Lennart Meri Tallinn Airport59 mi away
- QLF · Lahti Vesivehmaa Airport65 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 HEM from SDY?
The flight distance from Helsinki (HEM) to Sidney (SDY) is 4,454 miles (7,168 km, 3,870 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEM to SDY?
A nonstop flight takes about 9h 12m 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 Helsinki and Sidney?
Sidney is 9 hours behind Helsinki.
What is the cheapest way to fly from HEM to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEM–SDY that never appear on search engines, with no booking fees.