| Cerveteri to Oerlinghausen | 707.18 mi (1,138.10 km) |
| Cerveteri to Oestrich-Winkel | 586.50 mi (943.88 km) |
| Cerveteri to Offenburg | 490.46 mi (789.32 km) |
| Cerveteri to Oftersheim | 536.62 mi (863.61 km) |
| Cerveteri to Ohrdruf | 613.40 mi (987.17 km) |
| Cerveteri to Ohringen | 513.02 mi (825.62 km) |
| Cerveteri to Olbernhau | 601.67 mi (968.30 km) |
| Cerveteri to Olching | 430.07 mi (692.13 km) |
| Cerveteri to Oldenburg | 790.69 mi (1,272.49 km) |
| Cerveteri to Oldenburg in Holstein | 851.66 mi (1,370.62 km) |
| Cerveteri to Olfen | 706.99 mi (1,137.80 km) |
| Cerveteri to Olpe | 654.91 mi (1,053.98 km) |
| Cerveteri to Olsberg | 668.17 mi (1,075.32 km) |
| Cerveteri to Oranienburg | 744.93 mi (1,198.85 km) |
| Cerveteri to Ortenberg | 595.29 mi (958.02 km) |
