| Backnang to Sabinanigo | 647.41 mi (1,041.90 km) |
| Backnang to Sagunto | 798.87 mi (1,285.66 km) |
| Backnang to Salamanca | 918.55 mi (1,478.26 km) |
| Backnang to Salobrena | 1,067.05 mi (1,717.25 km) |
| Backnang to Salou | 677.19 mi (1,089.83 km) |
| Backnang to Salt | 578.77 mi (931.45 km) |
| Backnang to Salvatierra de Mino | 985.72 mi (1,586.36 km) |
| Backnang to Sama | 820.18 mi (1,319.95 km) |
| Backnang to San Adrian de Besos | 626.27 mi (1,007.89 km) |
| Backnang to San Agustin de Guadalix | 855.31 mi (1,376.50 km) |
| Backnang to San Andres de la Barca | 631.88 mi (1,016.92 km) |
| Backnang to San Andres de Llevaneras | 610.73 mi (982.87 km) |
| Backnang to San Andres del Rabanedo | 843.82 mi (1,358.00 km) |
| Backnang to San Bartolome | 1,967.09 mi (3,165.72 km) |
| Backnang to San Baudilio de Llobregat | 636.06 mi (1,023.65 km) |
