AirportsTainan International Airport / Tainan Air Base is a large airport serving Tainan (Rende), in Tainan City, Taiwan. It has scheduled airline flights. Its IATA code, the three letters printed on tickets and baggage tags, is TNN.
Key facts
- IATA code
- TNN
- ICAO code
- RCNN
- City
- Tainan (Rende)
- State or region
- Tainan City
- Country
- Taiwan
- Kind
- Large airport
- Coordinates
- 22.9504° N, 120.2060° E
- Elevation
- 19 m (63 ft)
- Runways
- 2
- Longest runway
- 3,050 m (10,007 ft)
Airport codes
On a ticket or a baggage tag, TNN means Tainan International Airport / Tainan Air Base. Pilots and air traffic controllers use a different, four-letter ICAO code: RCNN. ICAO codes that begin with R belong to East Asia, including Japan, Korea and the Philippines. How the two kinds of code differ.
Where it is
The airport lies at 22.9504° N, 120.2060° E. It stands 19 metres (63 feet) above sea level.
Local time
Time now at the airport: loading
Time zone Asia/Taipei, taken from the nearest town in the data. Flight times on tickets are always in the local time of each airport.
Runways
Tainan International Airport / Tainan Air Base has 2 runways in the data. The longest is 3,050 metres (10,007 feet). That is long enough for most passenger jets. Among the 13 airports of Taiwan on this site with runway data, its longest runway ranks number 5.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 18L/36R | 3,050 m 10,007 ft | 45 m | Concrete | Yes |
| 18R/36L | 3,050 m 10,007 ft | 45 m | Concrete | Yes |
The numbers in a runway name give its compass direction. How runway numbers work.
Nearest airports with scheduled flights
| Airport | Code | Distance |
|---|---|---|
| Kaohsiung International AirportKaohsiung (Xiaogang) | KHH | 44 km |
| Chiayi AirportShuishang | CYI | 60 km |
| Penghu Magong AirportHuxi | MZG | 91 km |
| Taitung AirportTaitung City | TTT | 94 km |
| Taichung International Airport / Ching Chuang Kang Air BaseTaichung (Qingshui) | RMQ | 152 km |
Distance to major airports
| To | Distance | Rough flying time |
|---|---|---|
| Delhi (DEL)India | 4,339 km | 5 h 45 min |
| Mumbai (BOM)India | 4,912 km | 6 h 25 min |
| Dubai (DXB)United Arab Emirates | 6,520 km | 8 h 20 min |
| London Heathrow (LHR)United Kingdom | 9,928 km | 12 h 30 min |
| New York JFK (JFK)United States | 12,798 km | 15 h 55 min |
| Los Angeles (LAX)United States | 11,161 km | 13 h 55 min |
| Singapore (SIN)Singapore | 2,972 km | 4 h 05 min |
| Tokyo Haneda (HND)Japan | 2,353 km | 3 h 20 min |
| Sydney (SYD)Australia | 7,124 km | 9 h 05 min |
Distances are the shortest path over the globe, worked out from the coordinates. Flying times are rough estimates for a direct jet flight. They do not mean that a direct flight exists. Work out the distance to any airport.
Links
Airport data: OurAirports, as downloaded on 11 November 2026. This page does not show live flights, terminals or airlines. For those, use the airport's or the airline's own site. See About and data sources.