| Backnang to Orthez | 615.62 mi (990.74 km) |
| Backnang to Orvault | 522.38 mi (840.69 km) |
| Backnang to Osny | 333.93 mi (537.41 km) |
| Backnang to Ostwald | 82.85 mi (133.34 km) |
| Backnang to Ouistreham | 438.50 mi (705.69 km) |
| Backnang to Oullins | 310.86 mi (500.28 km) |
| Backnang to Outreau | 369.60 mi (594.81 km) |
| Backnang to Oyonnax | 255.83 mi (411.72 km) |
| Backnang to Ozoir-la-Ferriere | 306.96 mi (494.01 km) |
| Backnang to Pace | 514.98 mi (828.78 km) |
| Backnang to Palaiseau | 327.06 mi (526.36 km) |
| Backnang to Pamiers | 549.85 mi (884.90 km) |
| Backnang to Panazol | 435.98 mi (701.65 km) |
| Backnang to Pantin | 319.02 mi (513.42 km) |
| Backnang to Paray-le-Monial | 301.09 mi (484.56 km) |
