| Biga to Sabadell | 1,311.40 mi (2,110.50 km) |
| Biga to Sabinanigo | 1,433.69 mi (2,307.30 km) |
| Biga to Sagunto | 1,452.01 mi (2,336.78 km) |
| Biga to Salamanca | 1,716.87 mi (2,763.04 km) |
| Biga to Salobrena | 1,676.00 mi (2,697.26 km) |
| Biga to Salou | 1,364.82 mi (2,196.46 km) |
| Biga to Salt | 1,274.55 mi (2,051.19 km) |
| Biga to Salvatierra de Mino | 1,850.24 mi (2,977.67 km) |
| Biga to Sama | 1,698.94 mi (2,734.19 km) |
| Biga to San Adrian de Besos | 1,306.33 mi (2,102.34 km) |
| Biga to San Agustin de Guadalix | 1,614.24 mi (2,597.87 km) |
| Biga to San Andres de la Barca | 1,318.69 mi (2,122.23 km) |
| Biga to San Andres de Llevaneras | 1,291.93 mi (2,079.16 km) |
| Biga to San Andres del Rabanedo | 1,698.80 mi (2,733.96 km) |
| Biga to San Bartolome | 2,565.24 mi (4,128.36 km) |
