| Conwy to Sabadell | 856.06 mi (1,377.70 km) |
| Conwy to Sabinanigo | 760.44 mi (1,223.81 km) |
| Conwy to Sagunto | 954.72 mi (1,536.48 km) |
| Conwy to Salamanca | 855.17 mi (1,376.26 km) |
| Conwy to Salobrena | 1,142.40 mi (1,838.52 km) |
| Conwy to Salou | 874.04 mi (1,406.63 km) |
| Conwy to Salt | 838.74 mi (1,349.82 km) |
| Conwy to Salvatierra de Mino | 803.10 mi (1,292.46 km) |
| Conwy to Sama | 694.73 mi (1,118.06 km) |
| Conwy to San Adrian de Besos | 865.51 mi (1,392.91 km) |
| Conwy to San Agustin de Guadalix | 870.76 mi (1,401.36 km) |
| Conwy to San Andres de la Barca | 860.80 mi (1,385.32 km) |
| Conwy to San Andres de Llevaneras | 860.17 mi (1,384.31 km) |
| Conwy to San Andres del Rabanedo | 741.24 mi (1,192.91 km) |
| Conwy to San Bartolome | 1,851.41 mi (2,979.56 km) |
