| Pen-y-Bont ar Ogwr to Sabadell | 738.71 mi (1,188.84 km) |
| Pen-y-Bont ar Ogwr to Sabinanigo | 639.08 mi (1,028.50 km) |
| Pen-y-Bont ar Ogwr to Sagunto | 832.67 mi (1,340.06 km) |
| Pen-y-Bont ar Ogwr to Salamanca | 735.10 mi (1,183.03 km) |
| Pen-y-Bont ar Ogwr to Salobrena | 1,019.85 mi (1,641.29 km) |
| Pen-y-Bont ar Ogwr to Salou | 754.34 mi (1,214.00 km) |
| Pen-y-Bont ar Ogwr to Salt | 723.58 mi (1,164.49 km) |
| Pen-y-Bont ar Ogwr to Salvatierra de Mino | 691.09 mi (1,112.20 km) |
| Pen-y-Bont ar Ogwr to Sama | 575.48 mi (926.14 km) |
| Pen-y-Bont ar Ogwr to San Adrian de Besos | 748.30 mi (1,204.27 km) |
| Pen-y-Bont ar Ogwr to San Agustin de Guadalix | 748.22 mi (1,204.14 km) |
| Pen-y-Bont ar Ogwr to San Andres de la Barca | 743.06 mi (1,195.84 km) |
| Pen-y-Bont ar Ogwr to San Andres de Llevaneras | 743.73 mi (1,196.92 km) |
| Pen-y-Bont ar Ogwr to San Andres del Rabanedo | 621.53 mi (1,000.26 km) |
| Pen-y-Bont ar Ogwr to San Bartolome | 1,744.34 mi (2,807.24 km) |
