| Castelfiorentino to Oerlinghausen | 587.78 mi (945.94 km) |
| Castelfiorentino to Oestrich-Winkel | 463.83 mi (746.46 km) |
| Castelfiorentino to Offenburg | 366.31 mi (589.52 km) |
| Castelfiorentino to Oftersheim | 414.44 mi (666.98 km) |
| Castelfiorentino to Ohrdruf | 499.53 mi (803.92 km) |
| Castelfiorentino to Ohringen | 393.16 mi (632.73 km) |
| Castelfiorentino to Olbernhau | 500.70 mi (805.80 km) |
| Castelfiorentino to Olching | 318.27 mi (512.21 km) |
| Castelfiorentino to Oldenburg | 671.28 mi (1,080.32 km) |
| Castelfiorentino to Oldenburg in Holstein | 739.31 mi (1,189.80 km) |
| Castelfiorentino to Olfen | 584.89 mi (941.29 km) |
| Castelfiorentino to Olpe | 532.93 mi (857.66 km) |
| Castelfiorentino to Olsberg | 547.80 mi (881.60 km) |
| Castelfiorentino to Oranienburg | 641.01 mi (1,031.61 km) |
| Castelfiorentino to Ortenberg | 475.35 mi (765.01 km) |
