| Backnang to Novi di Modena | 288.49 mi (464.28 km) |
| Backnang to Novi Ligure | 290.91 mi (468.17 km) |
| Backnang to Nuoro | 596.27 mi (959.61 km) |
| Backnang to Occhiobello | 295.99 mi (476.34 km) |
| Backnang to Oderzo | 261.44 mi (420.75 km) |
| Backnang to Oggiono | 218.58 mi (351.77 km) |
| Backnang to Olbia | 554.81 mi (892.88 km) |
| Backnang to Oleggio | 234.21 mi (376.93 km) |
| Backnang to Olgiate Comasco | 219.62 mi (353.45 km) |
| Backnang to Olgiate Olona | 230.34 mi (370.70 km) |
| Backnang to Omegna | 217.33 mi (349.76 km) |
| Backnang to Opera | 246.39 mi (396.53 km) |
| Backnang to Oppeano | 265.05 mi (426.56 km) |
| Backnang to Orbassano | 286.41 mi (460.93 km) |
| Backnang to Orbetello | 457.70 mi (736.60 km) |
