| Pontypridd to Sierpc | 973.24 mi (1,566.27 km) |
| Pontypridd to Skarzysko-Kamienna | 1,042.35 mi (1,677.50 km) |
| Pontypridd to Skawina | 1,014.04 mi (1,631.94 km) |
| Pontypridd to Skierniewice | 1,000.06 mi (1,609.43 km) |
| Pontypridd to Skoczow | 972.60 mi (1,565.25 km) |
| Pontypridd to Skwierzyna | 800.36 mi (1,288.05 km) |
| Pontypridd to Slawno | 851.08 mi (1,369.69 km) |
| Pontypridd to Slubice | 762.00 mi (1,226.32 km) |
| Pontypridd to Slupca | 901.21 mi (1,450.36 km) |
| Pontypridd to Slupsk | 865.90 mi (1,393.53 km) |
| Pontypridd to Sochaczew | 1,001.20 mi (1,611.27 km) |
| Pontypridd to Sokolka | 1,129.02 mi (1,816.98 km) |
| Pontypridd to Sokolow Podlaski | 1,084.31 mi (1,745.02 km) |
| Pontypridd to Solec Kujawski | 912.95 mi (1,469.24 km) |
| Pontypridd to Sopot | 927.42 mi (1,492.53 km) |
