| Rhondda to Srbobran | 1,134.80 mi (1,826.28 km) |
| Rhondda to Sremska Kamenica | 1,148.11 mi (1,847.71 km) |
| Rhondda to Sremska Mitrovica | 1,147.69 mi (1,847.04 km) |
| Rhondda to Sremski Karlovci | 1,152.77 mi (1,855.21 km) |
| Rhondda to Stara Pazova | 1,170.27 mi (1,883.37 km) |
| Rhondda to Subotica | 1,110.69 mi (1,787.49 km) |
| Rhondda to Surcin | 1,181.78 mi (1,901.90 km) |
| Rhondda to Surdulica | 1,341.21 mi (2,158.47 km) |
| Rhondda to Svilajnac | 1,241.53 mi (1,998.05 km) |
| Rhondda to Svrljig | 1,310.25 mi (2,108.65 km) |
| Rhondda to Temerin | 1,143.04 mi (1,839.55 km) |
| Rhondda to Titel | 1,167.92 mi (1,879.59 km) |
| Rhondda to Topola | 1,218.46 mi (1,960.92 km) |
| Rhondda to Trgoviste | 1,352.30 mi (2,176.32 km) |
| Rhondda to Trstenik | 1,256.16 mi (2,021.60 km) |
