| Backnang to Reinosa | 768.48 mi (1,236.75 km) |
| Backnang to Requena | 834.58 mi (1,343.13 km) |
| Backnang to Reus | 673.54 mi (1,083.96 km) |
| Backnang to Rianxo | 977.38 mi (1,572.94 km) |
| Backnang to Ribadeo | 869.02 mi (1,398.56 km) |
| Backnang to Rincon de la Victoria | 1,090.52 mi (1,755.02 km) |
| Backnang to Ripoll | 582.38 mi (937.24 km) |
| Backnang to Ripollet | 624.03 mi (1,004.29 km) |
| Backnang to Rojales | 904.68 mi (1,455.94 km) |
| Backnang to Ronda | 1,117.84 mi (1,798.99 km) |
| Backnang to Roquetas de Mar | 1,036.83 mi (1,668.62 km) |
| Backnang to Rosas | 551.53 mi (887.59 km) |
| Backnang to Rubi | 627.69 mi (1,010.16 km) |
| Backnang to Rute | 1,059.49 mi (1,705.09 km) |
| Backnang to Sabadell | 622.40 mi (1,001.66 km) |
