| Leek to Sabadell | 821.44 mi (1,321.97 km) |
| Leek to Sabinanigo | 735.64 mi (1,183.90 km) |
| Leek to Sagunto | 931.70 mi (1,499.43 km) |
| Leek to Salamanca | 856.05 mi (1,377.67 km) |
| Leek to Salobrena | 1,132.97 mi (1,823.34 km) |
| Leek to Salou | 844.01 mi (1,358.31 km) |
| Leek to Salt | 800.75 mi (1,288.68 km) |
| Leek to Salvatierra de Mino | 818.51 mi (1,317.26 km) |
| Leek to Sama | 698.07 mi (1,123.43 km) |
| Leek to San Adrian de Besos | 830.60 mi (1,336.73 km) |
| Leek to San Agustin de Guadalix | 862.05 mi (1,387.33 km) |
| Leek to San Andres de la Barca | 826.84 mi (1,330.67 km) |
| Leek to San Andres de Llevaneras | 824.00 mi (1,326.10 km) |
| Leek to San Andres del Rabanedo | 743.35 mi (1,196.31 km) |
| Leek to San Bartolome | 1,872.59 mi (3,013.64 km) |
