| Pen-y-Bont ar Ogwr to Sierpc | 984.71 mi (1,584.73 km) |
| Pen-y-Bont ar Ogwr to Skarzysko-Kamienna | 1,053.31 mi (1,695.14 km) |
| Pen-y-Bont ar Ogwr to Skawina | 1,024.53 mi (1,648.82 km) |
| Pen-y-Bont ar Ogwr to Skierniewice | 1,011.27 mi (1,627.48 km) |
| Pen-y-Bont ar Ogwr to Skoczow | 982.94 mi (1,581.89 km) |
| Pen-y-Bont ar Ogwr to Skwierzyna | 811.70 mi (1,306.30 km) |
| Pen-y-Bont ar Ogwr to Slawno | 862.91 mi (1,388.72 km) |
| Pen-y-Bont ar Ogwr to Slubice | 773.23 mi (1,244.40 km) |
| Pen-y-Bont ar Ogwr to Slupca | 912.48 mi (1,468.50 km) |
| Pen-y-Bont ar Ogwr to Slupsk | 877.74 mi (1,412.59 km) |
| Pen-y-Bont ar Ogwr to Sochaczew | 1,012.49 mi (1,629.45 km) |
| Pen-y-Bont ar Ogwr to Sokolka | 1,140.65 mi (1,835.70 km) |
| Pen-y-Bont ar Ogwr to Sokolow Podlaski | 1,095.69 mi (1,763.34 km) |
| Pen-y-Bont ar Ogwr to Solec Kujawski | 924.46 mi (1,487.77 km) |
| Pen-y-Bont ar Ogwr to Sopot | 939.25 mi (1,511.57 km) |
