| Biga to Santa Ursula | 2,596.06 mi (4,177.96 km) |
| Biga to Santander | 1,604.11 mi (2,581.57 km) |
| Biga to Santany | 1,277.69 mi (2,056.24 km) |
| Biga to Santiago de Compostela | 1,845.41 mi (2,969.90 km) |
| Biga to Santiago del Teide | 2,617.53 mi (4,212.51 km) |
| Biga to Santiponce | 1,791.33 mi (2,882.87 km) |
| Biga to Santomera | 1,516.92 mi (2,441.24 km) |
| Biga to Santona | 1,586.77 mi (2,553.66 km) |
| Biga to Santurce-Antiguo | 1,565.74 mi (2,519.82 km) |
| Biga to Sarria | 1,789.36 mi (2,879.70 km) |
| Biga to Sauzal | 2,591.23 mi (4,170.18 km) |
| Biga to Sedavi | 1,461.06 mi (2,351.35 km) |
| Biga to Segorbe | 1,461.17 mi (2,351.52 km) |
| Biga to Segovia | 1,637.37 mi (2,635.09 km) |
| Biga to Senmanat | 1,309.63 mi (2,107.65 km) |
