| Castel San Pietro Terme to Montana | 582.92 mi (938.13 km) |
| Castel San Pietro Terme to Nova Zagora | 734.82 mi (1,182.58 km) |
| Castel San Pietro Terme to Novi Iskar | 598.49 mi (963.17 km) |
| Castel San Pietro Terme to Novi Pazar | 779.99 mi (1,255.27 km) |
| Castel San Pietro Terme to Omurtag | 744.74 mi (1,198.55 km) |
| Castel San Pietro Terme to Panagyurishte | 644.81 mi (1,037.72 km) |
| Castel San Pietro Terme to Parvomay | 703.37 mi (1,131.96 km) |
| Castel San Pietro Terme to Pavlikeni | 688.70 mi (1,108.35 km) |
| Castel San Pietro Terme to Pazardzhik | 658.15 mi (1,059.19 km) |
| Castel San Pietro Terme to Pernik | 586.65 mi (944.12 km) |
| Castel San Pietro Terme to Peshtera | 660.12 mi (1,062.35 km) |
| Castel San Pietro Terme to Petrich | 623.22 mi (1,002.98 km) |
| Castel San Pietro Terme to Pleven | 651.92 mi (1,049.16 km) |
| Castel San Pietro Terme to Plovdiv | 679.53 mi (1,093.60 km) |
| Castel San Pietro Terme to Pomorie | 812.33 mi (1,307.31 km) |
