| Backnang to Bombarral | 1,134.04 mi (1,825.06 km) |
| Backnang to Bougado | 1,018.50 mi (1,639.12 km) |
| Backnang to Braga | 1,003.89 mi (1,615.61 km) |
| Backnang to Braganca | 924.88 mi (1,488.45 km) |
| Backnang to Cabeceiras de Basto | 987.92 mi (1,589.90 km) |
| Backnang to Cacem | 1,163.39 mi (1,872.30 km) |
| Backnang to Cadaval | 1,133.46 mi (1,824.14 km) |
| Backnang to Caldas da Rainha | 1,126.83 mi (1,813.45 km) |
| Backnang to Calheta | 1,769.75 mi (2,848.14 km) |
| Backnang to Camara de Lobos | 1,763.89 mi (2,838.70 km) |
| Backnang to Canico | 1,761.61 mi (2,835.04 km) |
| Backnang to Cantanhede | 1,062.62 mi (1,710.12 km) |
| Backnang to Carregal do Sal | 1,034.86 mi (1,665.44 km) |
| Backnang to Cartaxo | 1,124.89 mi (1,810.33 km) |
| Backnang to Cascais | 1,170.99 mi (1,884.53 km) |
