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HAF to ROI: distance & flight time
Half Moon Bay (Half Moon Bay Airport) → Roi Et (Roi Et Airport)
7,666 mi
12,338 km · 6,662 nm
15h 30m
estimated nonstop flight time
—
time difference · heading northwest
See live HAF→ROI fares Phone-only fares on this route — call free
Flight time details
7,666 miles nonstop takes roughly 15h 30m gate to gate, flying northwest. 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
- HAF — Half Moon Bay Airport · Half Moon Bay, 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 HAF
- SFO · San Francisco International Airport10 mi away
- SQL · San Carlos Airport14 mi away
- OAK · Metropolitan Oakland International Airport21 mi away
- PAO · Palo Alto Airport of Santa Clara County21 mi away
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 HAF from ROI?
The flight distance from Half Moon Bay (HAF) to Roi Et (ROI) is 7,666 miles (12,338 km, 6,662 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HAF to ROI?
A nonstop flight takes about 15h 30m 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 cheapest way to fly from HAF to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HAF–ROI that never appear on search engines, with no booking fees.