| Shannon to Sabinanigo | 806.86 mi (1,298.51 km) |
| Shannon to Sagunto | 988.50 mi (1,590.84 km) |
| Shannon to Salamanca | 825.55 mi (1,328.59 km) |
| Shannon to Salobrena | 1,132.49 mi (1,822.57 km) |
| Shannon to Salou | 930.25 mi (1,497.10 km) |
| Shannon to Salt | 918.54 mi (1,478.24 km) |
| Shannon to Salvatierra de Mino | 734.69 mi (1,182.37 km) |
| Shannon to Sama | 666.71 mi (1,072.96 km) |
| Shannon to San Adrian de Besos | 935.72 mi (1,505.89 km) |
| Shannon to San Agustin de Guadalix | 867.46 mi (1,396.04 km) |
| Shannon to San Andres de la Barca | 928.50 mi (1,494.28 km) |
| Shannon to San Andres de Llevaneras | 934.09 mi (1,503.27 km) |
| Shannon to San Andres del Rabanedo | 713.83 mi (1,148.79 km) |
| Shannon to San Bartolome | 1,746.94 mi (2,811.43 km) |
| Shannon to San Baudilio de Llobregat | 936.29 mi (1,506.82 km) |
