| Castel Bolognese to Pontinia | 210.59 mi (338.92 km) |
| Castel Bolognese to Porcari | 67.30 mi (108.32 km) |
| Castel Bolognese to Porcia | 120.75 mi (194.33 km) |
| Castel Bolognese to Pordenone | 120.21 mi (193.46 km) |
| Castel Bolognese to Portici | 274.01 mi (440.97 km) |
| Castel Bolognese to Porto Empedocle | 493.50 mi (794.21 km) |
| Castel Bolognese to Porto Recanati | 111.17 mi (178.92 km) |
| Castel Bolognese to Porto Sant'Elpidio | 121.33 mi (195.26 km) |
| Castel Bolognese to Porto Tolle | 50.60 mi (81.43 km) |
| Castel Bolognese to Porto Torres | 296.09 mi (476.51 km) |
| Castel Bolognese to Portoferraio | 127.49 mi (205.18 km) |
| Castel Bolognese to Portogruaro | 113.19 mi (182.16 km) |
| Castel Bolognese to Portomaggiore | 26.48 mi (42.62 km) |
| Castel Bolognese to Potenza | 325.98 mi (524.62 km) |
| Castel Bolognese to Potenza Picena | 111.82 mi (179.96 km) |
