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HHH to ROI: distance & flight time
Hilton Head Island (Hilton Head Airport) → Roi Et (Roi Et Airport)
9,084 mi
14,619 km · 7,893 nm
18h 17m
estimated nonstop flight time
+11h
time difference · heading north
See live HHH→ROI fares Phone-only fares on this route — call free
Flight time details
9,084 miles nonstop takes roughly 18h 17m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- HHH — Hilton Head Airport · Hilton Head Island, United States
- ROI — Roi Et Airport · Roi Et, Thailand
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 HHH
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
Frequently asked questions
How far is HHH from ROI?
The flight distance from Hilton Head Island (HHH) to Roi Et (ROI) is 9,084 miles (14,619 km, 7,893 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HHH to ROI?
A nonstop flight takes about 18h 17m 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 Hilton Head Island and Roi Et?
Roi Et is 11 hours ahead of Hilton Head Island.
What is the cheapest way to fly from HHH to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HHH–ROI that never appear on search engines, with no booking fees.