| Castiglion Fiorentino to Oerlinghausen | 614.54 mi (989.00 km) |
| Castiglion Fiorentino to Oestrich-Winkel | 495.83 mi (797.95 km) |
| Castiglion Fiorentino to Offenburg | 402.36 mi (647.53 km) |
| Castiglion Fiorentino to Oftersheim | 445.61 mi (717.14 km) |
| Castiglion Fiorentino to Ohrdruf | 520.09 mi (837.01 km) |
| Castiglion Fiorentino to Ohringen | 420.73 mi (677.09 km) |
| Castiglion Fiorentino to Olbernhau | 510.30 mi (821.25 km) |
| Castiglion Fiorentino to Olching | 336.77 mi (541.98 km) |
| Castiglion Fiorentino to Oldenburg | 698.00 mi (1,123.32 km) |
| Castiglion Fiorentino to Oldenburg in Holstein | 758.44 mi (1,220.58 km) |
| Castiglion Fiorentino to Olfen | 615.68 mi (990.84 km) |
| Castiglion Fiorentino to Olpe | 563.56 mi (906.97 km) |
| Castiglion Fiorentino to Olsberg | 575.91 mi (926.83 km) |
| Castiglion Fiorentino to Oranienburg | 653.02 mi (1,050.93 km) |
| Castiglion Fiorentino to Ortenberg | 502.92 mi (809.36 km) |
