| Rhondda to Kocaali | 1,769.26 mi (2,847.34 km) |
| Rhondda to Kocaeli | 1,742.02 mi (2,803.51 km) |
| Rhondda to Konak | 1,729.50 mi (2,783.36 km) |
| Rhondda to Konakli | 2,007.94 mi (3,231.47 km) |
| Rhondda to Konya | 1,974.06 mi (3,176.94 km) |
| Rhondda to Koprukoy | 2,282.28 mi (3,672.98 km) |
| Rhondda to Korfez | 1,733.44 mi (2,789.70 km) |
| Rhondda to Korkut | 2,329.59 mi (3,749.12 km) |
| Rhondda to Kose | 2,177.71 mi (3,504.68 km) |
| Rhondda to Kovancilar | 2,248.47 mi (3,618.56 km) |
| Rhondda to Koyulhisar | 2,096.02 mi (3,373.21 km) |
| Rhondda to Kozan | 2,131.20 mi (3,429.83 km) |
| Rhondda to Kozlu | 1,792.06 mi (2,884.04 km) |
| Rhondda to Kozluk | 2,340.17 mi (3,766.14 km) |
| Rhondda to Kucuk Dalyan | 2,202.19 mi (3,544.08 km) |
