CNX to SIN: Distance and Flight Time
The distance from Chiang Mai International Airport (CNX) to Singapore Changi Airport (SIN) is 2,013 km (1,251 mi). A typical nonstop flight covers it in about 3h, heading south. The distance is the same in either direction (SIN to CNX).
How far is it from Chiang Mai to Singapore?
The great-circle distance between Chiang Mai International Airport (CNX) and Singapore Changi Airport (SIN) is 2,013 km (1,251 mi, 1,087 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 SIN?
A nonstop flight typically takes about 3h. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. SIN is roughly south of CNX.
How is the CNX to SIN route written in code?
The pair is written CNX-SIN in IATA codes and VTCC-WSSS in ICAO codes, the form used on a flight plan. Chiang Mai International Airport is CNX (VTCC), Singapore Changi Airport is SIN (WSSS).
| CNX | SIN | |
|---|---|---|
| Airport | Chiang Mai International Airport | Singapore Changi Airport |
| ICAO code | VTCC | WSSS |
| Country | Thailand | Singapore |
| Elevation | 1,036 ft | 22 ft |
| Rank by connections | #323 | #12 |
VTCC starts with V, the ICAO prefix for South and Southeast Asia; WSSS starts with W, the prefix for the Malay Archipelago. How ICAO prefixes are laid out.
SIN sits 1,014 ft (309 m) lower than CNX, which is a real difference in air density on takeoff.
Airlines flying CNX to SIN
2 airlines appear on this route in the open route dataset, 2 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 |
|---|---|---|---|---|
| MI | SilkAir | SLK | Silkair | Active |
| TR | Tiger Airways | TGW | Go Cat | Active |
A further 2 carriers sell this pair as a codeshare without operating it: PG, SQ.
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 Singapore?
Chiang Mai International Airport (CNX) and Singapore Changi Airport (SIN) are 2,013 km (1,251 mi, 1,087 nautical miles) apart in a straight line.
How long is the flight from CNX to SIN?
A typical nonstop flight between CNX and SIN takes about 3h. Actual times vary with aircraft type, winds and routing.
What direction is SIN from CNX?
Singapore Changi Airport (SIN) lies roughly south of Chiang Mai International Airport (CNX).
Which airlines fly CNX to SIN?
2 airlines appear on the CNX-SIN route in the open dataset, including SilkAir, Tiger Airways.
Related routes
Other routes from Chiang Mai (CNX):
Other routes from Singapore (SIN):
CNX airport code · SIN airport code · Busiest airports worldwide