| Hwlffordd to Sabadell | 782.89 mi (1,259.93 km) |
| Hwlffordd to Sabinanigo | 676.45 mi (1,088.65 km) |
| Hwlffordd to Sagunto | 867.27 mi (1,395.74 km) |
| Hwlffordd to Salamanca | 749.35 mi (1,205.96 km) |
| Hwlffordd to Salobrena | 1,042.28 mi (1,677.39 km) |
| Hwlffordd to Salou | 794.95 mi (1,279.34 km) |
| Hwlffordd to Salt | 770.30 mi (1,239.68 km) |
| Hwlffordd to Salvatierra de Mino | 691.49 mi (1,112.84 km) |
| Hwlffordd to Sama | 588.23 mi (946.66 km) |
| Hwlffordd to San Adrian de Besos | 792.61 mi (1,275.59 km) |
| Hwlffordd to San Agustin de Guadalix | 771.14 mi (1,241.02 km) |
| Hwlffordd to San Andres de la Barca | 786.71 mi (1,266.09 km) |
| Hwlffordd to San Andres de Llevaneras | 788.99 mi (1,269.76 km) |
| Hwlffordd to San Andres del Rabanedo | 635.19 mi (1,022.23 km) |
| Hwlffordd to San Bartolome | 1,738.57 mi (2,797.95 km) |
