| Horb am Neckar to Pontinia | 530.58 mi (853.88 km) |
| Horb am Neckar to Porcari | 331.14 mi (532.93 km) |
| Horb am Neckar to Porcia | 251.50 mi (404.75 km) |
| Horb am Neckar to Pordenone | 253.45 mi (407.89 km) |
| Horb am Neckar to Portici | 595.23 mi (957.93 km) |
| Horb am Neckar to Porto Empedocle | 808.01 mi (1,300.36 km) |
| Horb am Neckar to Porto Recanati | 420.61 mi (676.91 km) |
| Horb am Neckar to Porto Sant'Elpidio | 432.55 mi (696.12 km) |
| Horb am Neckar to Porto Tolle | 296.30 mi (476.85 km) |
| Horb am Neckar to Porto Torres | 525.88 mi (846.32 km) |
| Horb am Neckar to Portoferraio | 396.72 mi (638.47 km) |
| Horb am Neckar to Portogruaro | 267.81 mi (431.01 km) |
| Horb am Neckar to Portomaggiore | 297.88 mi (479.39 km) |
| Horb am Neckar to Potenza | 642.72 mi (1,034.35 km) |
| Horb am Neckar to Potenza Picena | 423.13 mi (680.96 km) |
