| Backnang to Oberriet | 112.80 mi (181.53 km) |
| Backnang to Obersiggenthal | 113.65 mi (182.90 km) |
| Backnang to Oberwil | 131.36 mi (211.40 km) |
| Backnang to Oberwingert | 103.35 mi (166.32 km) |
| Backnang to Oftringen | 132.48 mi (213.21 km) |
| Backnang to Olten | 130.93 mi (210.71 km) |
| Backnang to Onex | 246.03 mi (395.95 km) |
| Backnang to Opfikon | 111.86 mi (180.02 km) |
| Backnang to Ostermundigen | 164.31 mi (264.43 km) |
| Backnang to Payerne | 187.18 mi (301.23 km) |
| Backnang to Pfaffikon | 113.15 mi (182.10 km) |
| Backnang to Plan-les-Ouates | 246.45 mi (396.63 km) |
| Backnang to Pratteln | 126.89 mi (204.20 km) |
| Backnang to Prilly | 212.33 mi (341.71 km) |
| Backnang to Pully | 211.35 mi (340.13 km) |
