CNX to HKG: Distance and Flight Time
The distance from Chiang Mai International Airport (CNX) to Hong Kong International Airport (HKG) is 1,605 km (997 mi). A typical nonstop flight covers it in about 2h 30m, heading east. The distance is the same in either direction (HKG to CNX).
How far is it from Chiang Mai to Hong Kong?
The great-circle distance between Chiang Mai International Airport (CNX) and Hong Kong International Airport (HKG) is 1,605 km (997 mi, 867 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from CNX to HKG?
A nonstop flight typically takes about 2h 30m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. HKG is roughly east of CNX.
How is the CNX to HKG route written in code?
The pair is written CNX-HKG in IATA codes and VTCC-VHHH in ICAO codes, the form used on a flight plan. Chiang Mai International Airport is CNX (VTCC), Hong Kong International Airport is HKG (VHHH).
| CNX | HKG | |
|---|---|---|
| Airport | Chiang Mai International Airport | Hong Kong International Airport |
| ICAO code | VTCC | VHHH |
| Country | Thailand | Hong Kong |
| Elevation | 1,036 ft | 28 ft |
| Rank by connections | #323 | #20 |
Both ICAO codes start with V, the prefix ICAO assigns to South and Southeast Asia, so this is a route inside one ICAO region. How ICAO prefixes are laid out.
HKG sits 1,008 ft (307 m) lower than CNX, which is a real difference in air density on takeoff.
Airlines flying CNX to HKG
4 airlines appear on this route in the open route dataset, 4 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| CX | Cathay Pacific | CPA | Cathay | Active |
| FD | Thai AirAsia | AIQ | Thai Asia | Active |
| KA | Dragonair | HDA | Hong Kong Dragon Airlines | Active |
| UO | Hong Kong Express Airways | HKE | Hongkong Shuttle | Active |
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Chiang Mai from Hong Kong?
Chiang Mai International Airport (CNX) and Hong Kong International Airport (HKG) are 1,605 km (997 mi, 867 nautical miles) apart in a straight line.
How long is the flight from CNX to HKG?
A typical nonstop flight between CNX and HKG takes about 2h 30m. Actual times vary with aircraft type, winds and routing.
What direction is HKG from CNX?
Hong Kong International Airport (HKG) lies roughly east of Chiang Mai International Airport (CNX).
Which airlines fly CNX to HKG?
4 airlines appear on the CNX-HKG route in the open dataset, including Cathay Pacific, Thai AirAsia, Dragonair.
Related routes
Other routes from Chiang Mai (CNX):
Other routes from Hong Kong (HKG):
CNX airport code · HKG airport code · Busiest airports worldwide