| Serpa to Sabinanigo | 495.15 mi (796.87 km) |
| Serpa to Sagunto | 412.01 mi (663.07 km) |
| Serpa to Salamanca | 232.80 mi (374.65 km) |
| Serpa to Salobrena | 235.38 mi (378.81 km) |
| Serpa to Salou | 512.99 mi (825.58 km) |
| Serpa to Salt | 616.00 mi (991.35 km) |
| Serpa to Salvatierra de Mino | 289.89 mi (466.54 km) |
| Serpa to Sama | 383.38 mi (616.99 km) |
| Serpa to San Adrian de Besos | 574.40 mi (924.41 km) |
| Serpa to San Agustin de Guadalix | 284.59 mi (458.01 km) |
| Serpa to San Andres de la Barca | 563.25 mi (906.47 km) |
| Serpa to San Andres de Llevaneras | 590.77 mi (950.75 km) |
| Serpa to San Andres del Rabanedo | 339.53 mi (546.43 km) |
| Serpa to San Bartolome | 831.69 mi (1,338.47 km) |
| Serpa to San Baudilio de Llobregat | 563.74 mi (907.25 km) |
