| Smartno to Sestao | 895.15 mi (1,440.60 km) |
| Smartno to Sevilla | 1,230.53 mi (1,980.34 km) |
| Smartno to Sevilla La Nueva | 1,025.81 mi (1,650.88 km) |
| Smartno to Silla | 899.57 mi (1,447.72 km) |
| Smartno to Silleda | 1,158.74 mi (1,864.80 km) |
| Smartno to Sitges | 730.73 mi (1,175.99 km) |
| Smartno to Socuellamos | 1,007.24 mi (1,620.99 km) |
| Smartno to Soller | 751.00 mi (1,208.61 km) |
| Smartno to Solsona | 717.78 mi (1,155.16 km) |
| Smartno to Son Servera | 730.69 mi (1,175.94 km) |
| Smartno to Sonseca | 1,044.49 mi (1,680.95 km) |
| Smartno to Sopelana | 892.36 mi (1,436.12 km) |
| Smartno to Soria | 908.92 mi (1,462.76 km) |
| Smartno to Suances | 942.43 mi (1,516.70 km) |
| Smartno to Sueca | 901.79 mi (1,451.29 km) |
