The distance from Billings Clinic Helipad () to Chiang Mai International Airport (CNX) is 7656 miles or 12321 kilometers or 6648 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
12321 kilometers is the direct flight distance between Billings Clinic Helipad (United States) and Chiang Mai International Airport (Thailand).
How long does it take to travel from Billings ( United States ) to Chiang Mai ( Thailand )?
A one-way nonstop (direct) flight between Billings and Chiang Mai takes around 17 hours 36 minutes.
Estimated
flight time from Billings Clinic Helipad, Billings, United States to Chiang Mai International Airport, Chiang Mai, Thailand is
17 hours 36 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • - CNX
| Kilometers | | 12321 km |
| Statute Miles | | 7656 miles |
| Nautical Miles | | 6648 nm |
| Avg. Time of Flight | | 17 hours 36 minutes |
Billings Clinic Helipad to Chiang Mai International Airport Flight Route Map - to CNX Flight Path
Location of Billings Clinic Helipad & Chiang Mai International Airport is given below.
Click the map to view Billings to Chiang Mai nonstop flight path and travel direction.
Click to see flight route on Google Map between Billings, United States and Chiang Mai, Thailand. .
Nonstop flight route between Billings, United States and Chiang Mai, Thailand.
Time Difference Between the Airports • - CNX
Time difference between
Billings (United States) and
Chiang Mai (Thailand) is 12 Hours.
Chiang Mai time is 12 Hours ahead of Billings.
| Location | Local Time |
| Billings (United States) | 2026-08-08, 05:58:57 CDT |
| Chiang Mai (Thailand) | 2026-08-08, 17:58:57 +07 |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.