| Crotone to Oerlinghausen | 978.07 mi (1,574.06 km) |
| Crotone to Oestrich-Winkel | 876.29 mi (1,410.26 km) |
| Crotone to Offenburg | 792.63 mi (1,275.61 km) |
| Crotone to Oftersheim | 825.62 mi (1,328.71 km) |
| Crotone to Ohrdruf | 868.63 mi (1,397.93 km) |
| Crotone to Ohringen | 793.54 mi (1,277.07 km) |
| Crotone to Olbernhau | 821.21 mi (1,321.60 km) |
| Crotone to Olching | 692.95 mi (1,115.20 km) |
| Crotone to Oldenburg | 1,059.04 mi (1,704.36 km) |
| Crotone to Oldenburg in Holstein | 1,091.03 mi (1,755.85 km) |
| Crotone to Olfen | 990.42 mi (1,593.93 km) |
| Crotone to Olpe | 939.13 mi (1,511.39 km) |
| Crotone to Olsberg | 944.46 mi (1,519.96 km) |
| Crotone to Oranienburg | 962.45 mi (1,548.91 km) |
| Crotone to Ortenberg | 872.43 mi (1,404.03 km) |
