| Castelfidardo to Nowy Sacz | 544.11 mi (875.66 km) |
| Castelfidardo to Nowy Targ | 516.14 mi (830.65 km) |
| Castelfidardo to Nowy Tomysl | 623.17 mi (1,002.90 km) |
| Castelfidardo to Nysa | 515.86 mi (830.20 km) |
| Castelfidardo to Oborniki | 652.22 mi (1,049.65 km) |
| Castelfidardo to Oborniki Slaskie | 563.45 mi (906.79 km) |
| Castelfidardo to Olawa | 545.14 mi (877.32 km) |
| Castelfidardo to Olecko | 834.96 mi (1,343.74 km) |
| Castelfidardo to Olesnica | 563.68 mi (907.16 km) |
| Castelfidardo to Olesno | 560.51 mi (902.06 km) |
| Castelfidardo to Olkusz | 549.74 mi (884.73 km) |
| Castelfidardo to Olsztyn | 778.90 mi (1,253.52 km) |
| Castelfidardo to Opalenica | 625.18 mi (1,006.13 km) |
| Castelfidardo to Opoczno | 630.43 mi (1,014.58 km) |
| Castelfidardo to Opole | 538.54 mi (866.69 km) |
