| Comarnic to Oerlinghausen | 900.23 mi (1,448.77 km) |
| Comarnic to Oestrich-Winkel | 881.69 mi (1,418.94 km) |
| Comarnic to Offenburg | 863.17 mi (1,389.13 km) |
| Comarnic to Oftersheim | 845.72 mi (1,361.06 km) |
| Comarnic to Ohrdruf | 786.89 mi (1,266.38 km) |
| Comarnic to Ohringen | 802.86 mi (1,292.08 km) |
| Comarnic to Olbernhau | 679.84 mi (1,094.10 km) |
| Comarnic to Olching | 706.91 mi (1,137.65 km) |
| Comarnic to Oldenburg | 953.11 mi (1,533.89 km) |
| Comarnic to Oldenburg in Holstein | 904.48 mi (1,455.62 km) |
| Comarnic to Olfen | 944.13 mi (1,519.43 km) |
| Comarnic to Olpe | 909.31 mi (1,463.40 km) |
| Comarnic to Olsberg | 890.88 mi (1,433.73 km) |
| Comarnic to Oranienburg | 762.65 mi (1,227.37 km) |
| Comarnic to Ortenberg | 844.01 mi (1,358.31 km) |
