| Backnang to Huelva | 1,151.20 mi (1,852.67 km) |
| Backnang to Huercal de Almeria | 1,024.55 mi (1,648.85 km) |
| Backnang to Huercal-Overa | 980.67 mi (1,578.23 km) |
| Backnang to Huesca | 668.81 mi (1,076.35 km) |
| Backnang to Huetor Vega | 1,043.36 mi (1,679.13 km) |
| Backnang to Huetor-Tajar | 1,055.99 mi (1,699.45 km) |
| Backnang to Humanes de Madrid | 884.32 mi (1,423.17 km) |
| Backnang to Ibi | 868.68 mi (1,398.01 km) |
| Backnang to Ibiza | 798.57 mi (1,285.17 km) |
| Backnang to Icod de los Vinos | 1,984.13 mi (3,193.15 km) |
| Backnang to Igualada | 634.25 mi (1,020.73 km) |
| Backnang to Illescas | 891.49 mi (1,434.71 km) |
| Backnang to Inca | 713.72 mi (1,148.62 km) |
| Backnang to Ingenio | 1,962.34 mi (3,158.07 km) |
| Backnang to Irun | 661.20 mi (1,064.11 km) |
