| Viareggio to Santander | 702.23 mi (1,130.12 km) |
| Viareggio to Santany | 481.97 mi (775.65 km) |
| Viareggio to Santiago de Compostela | 944.39 mi (1,519.85 km) |
| Viareggio to Santiago del Teide | 1,841.20 mi (2,963.12 km) |
| Viareggio to Santiponce | 960.46 mi (1,545.71 km) |
| Viareggio to Santomera | 712.05 mi (1,145.93 km) |
| Viareggio to Santona | 685.12 mi (1,102.59 km) |
| Viareggio to Santurce-Antiguo | 664.90 mi (1,070.06 km) |
| Viareggio to Sarria | 889.46 mi (1,431.45 km) |
| Viareggio to Sauzal | 1,815.68 mi (2,922.05 km) |
| Viareggio to Sedavi | 628.29 mi (1,011.13 km) |
| Viareggio to Segorbe | 617.74 mi (994.16 km) |
| Viareggio to Segovia | 759.17 mi (1,221.77 km) |
| Viareggio to Senmanat | 440.14 mi (708.34 km) |
| Viareggio to Sesena | 760.95 mi (1,224.64 km) |
