| Backnang to Pontinia | 549.60 mi (884.49 km) |
| Backnang to Porcari | 357.20 mi (574.86 km) |
| Backnang to Porcia | 254.00 mi (408.77 km) |
| Backnang to Pordenone | 255.86 mi (411.76 km) |
| Backnang to Portici | 610.47 mi (982.45 km) |
| Backnang to Porto Empedocle | 830.83 mi (1,337.10 km) |
| Backnang to Porto Recanati | 431.31 mi (694.13 km) |
| Backnang to Porto Sant'Elpidio | 443.46 mi (713.68 km) |
| Backnang to Porto Tolle | 307.80 mi (495.36 km) |
| Backnang to Porto Torres | 562.56 mi (905.35 km) |
| Backnang to Portoferraio | 425.65 mi (685.02 km) |
| Backnang to Portogruaro | 270.35 mi (435.08 km) |
| Backnang to Portomaggiore | 314.01 mi (505.36 km) |
| Backnang to Potenza | 653.25 mi (1,051.30 km) |
| Backnang to Potenza Picena | 434.30 mi (698.95 km) |
