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ROI to HEL: distance & flight time
Roi Et (Roi Et Airport) → Helsinki (Helsinki Vantaa Airport)
4,872 mi
7,841 km · 4,234 nm
10h 1m
estimated nonstop flight time
-4h
time difference · heading northwest
See live ROI→HEL fares Phone-only fares on this route — call free
Flight time details
4,872 miles nonstop takes roughly 10h 1m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- ROI — Roi Et Airport · Roi Et, Thailand
- HEL — Helsinki Vantaa Airport · Helsinki, Finland
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 ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 mi away
Near HEL
- HEM · Helsinki Malmi Airport5 mi away
- HYV · Hyvinkää Airfield23 mi away
- QLF · Lahti Vesivehmaa Airport62 mi away
- TLL · Lennart Meri Tallinn Airport63 mi away
Frequently asked questions
How far is ROI from HEL?
The flight distance from Roi Et (ROI) to Helsinki (HEL) is 4,872 miles (7,841 km, 4,234 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROI to HEL?
A nonstop flight takes about 10h 1m 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 Roi Et and Helsinki?
Helsinki is 4 hours behind Roi Et.
What is the cheapest way to fly from ROI to HEL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROI–HEL that never appear on search engines, with no booking fees.