| Rhondda to Islahiye | 2,185.21 mi (3,516.76 km) |
| Rhondda to Isparta | 1,899.09 mi (3,056.29 km) |
| Rhondda to Istanbul | 1,691.35 mi (2,721.96 km) |
| Rhondda to Izmir | 1,729.91 mi (2,784.03 km) |
| Rhondda to Kadinhani | 1,946.12 mi (3,131.98 km) |
| Rhondda to Kadirli | 2,147.37 mi (3,455.86 km) |
| Rhondda to Kagithane | 1,689.42 mi (2,718.86 km) |
| Rhondda to Kahramanmaras | 2,173.01 mi (3,497.12 km) |
| Rhondda to Kahta | 2,235.83 mi (3,598.21 km) |
| Rhondda to Kaman | 1,960.91 mi (3,155.78 km) |
| Rhondda to Kangal | 2,121.20 mi (3,413.75 km) |
| Rhondda to Kapakli | 1,636.90 mi (2,634.33 km) |
| Rhondda to Karaagac | 2,184.84 mi (3,516.17 km) |
| Rhondda to Karaagac | 1,637.56 mi (2,635.41 km) |
| Rhondda to Karabuk | 1,838.56 mi (2,958.87 km) |
