| Castel Bolognese to Paola | 405.39 mi (652.42 km) |
| Castel Bolognese to Parabiago | 163.76 mi (263.54 km) |
| Castel Bolognese to Parabita | 437.98 mi (704.87 km) |
| Castel Bolognese to Parma | 79.83 mi (128.48 km) |
| Castel Bolognese to Partanna | 458.69 mi (738.19 km) |
| Castel Bolognese to Partinico | 438.35 mi (705.46 km) |
| Castel Bolognese to Pasian di Prato | 137.80 mi (221.77 km) |
| Castel Bolognese to Paterno | 493.54 mi (794.28 km) |
| Castel Bolognese to Patti | 457.33 mi (736.01 km) |
| Castel Bolognese to Paullo | 139.95 mi (225.23 km) |
| Castel Bolognese to Pavia | 142.98 mi (230.10 km) |
| Castel Bolognese to Pavullo nel Frignano | 47.81 mi (76.94 km) |
| Castel Bolognese to Pedara | 493.19 mi (793.71 km) |
| Castel Bolognese to Pellezzano | 289.99 mi (466.69 km) |
| Castel Bolognese to Penne | 167.12 mi (268.95 km) |
