| Rhondda to Prokuplje | 1,295.61 mi (2,085.09 km) |
| Rhondda to Raca | 1,231.91 mi (1,982.57 km) |
| Rhondda to Raska | 1,253.51 mi (2,017.34 km) |
| Rhondda to Razanj | 1,277.08 mi (2,055.26 km) |
| Rhondda to Rekovac | 1,252.11 mi (2,015.08 km) |
| Rhondda to Ruma | 1,155.78 mi (1,860.06 km) |
| Rhondda to Sabac | 1,158.94 mi (1,865.13 km) |
| Rhondda to Secanj | 1,182.05 mi (1,902.32 km) |
| Rhondda to Senta | 1,134.16 mi (1,825.25 km) |
| Rhondda to Sid | 1,126.62 mi (1,813.12 km) |
| Rhondda to Sjenica | 1,229.47 mi (1,978.63 km) |
| Rhondda to Smederevo | 1,213.67 mi (1,953.21 km) |
| Rhondda to Smederevska Palanka | 1,225.93 mi (1,972.94 km) |
| Rhondda to Sokobanja | 1,290.82 mi (2,077.38 km) |
| Rhondda to Sombor | 1,098.28 mi (1,767.51 km) |
