| Potters Bar to Sabadell | 709.55 mi (1,141.92 km) |
| Potters Bar to Sabinanigo | 634.29 mi (1,020.79 km) |
| Potters Bar to Sagunto | 830.62 mi (1,336.76 km) |
| Potters Bar to Salamanca | 785.77 mi (1,264.57 km) |
| Potters Bar to Salobrena | 1,046.39 mi (1,684.01 km) |
| Potters Bar to Salou | 736.30 mi (1,184.96 km) |
| Potters Bar to Salt | 686.09 mi (1,104.15 km) |
| Potters Bar to Salvatierra de Mino | 770.57 mi (1,240.12 km) |
| Potters Bar to Sama | 634.07 mi (1,020.43 km) |
| Potters Bar to San Adrian de Besos | 718.42 mi (1,156.19 km) |
| Potters Bar to San Agustin de Guadalix | 778.67 mi (1,253.14 km) |
| Potters Bar to San Andres de la Barca | 715.53 mi (1,151.53 km) |
| Potters Bar to San Andres de Llevaneras | 710.76 mi (1,143.86 km) |
| Potters Bar to San Andres del Rabanedo | 676.64 mi (1,088.94 km) |
| Potters Bar to San Bartolome | 1,825.80 mi (2,938.35 km) |
