| Colleferro to Oerlinghausen | 735.99 mi (1,184.46 km) |
| Colleferro to Oestrich-Winkel | 619.72 mi (997.34 km) |
| Colleferro to Offenburg | 526.88 mi (847.93 km) |
| Colleferro to Oftersheim | 569.34 mi (916.26 km) |
| Colleferro to Ohrdruf | 637.70 mi (1,026.28 km) |
| Colleferro to Ohringen | 543.16 mi (874.12 km) |
| Colleferro to Olbernhau | 617.42 mi (993.64 km) |
| Colleferro to Olching | 454.44 mi (731.34 km) |
| Colleferro to Oldenburg | 819.25 mi (1,318.45 km) |
| Colleferro to Oldenburg in Holstein | 873.75 mi (1,406.16 km) |
| Colleferro to Olfen | 739.04 mi (1,189.36 km) |
| Colleferro to Olpe | 686.93 mi (1,105.51 km) |
| Colleferro to Olsberg | 698.16 mi (1,123.58 km) |
| Colleferro to Oranienburg | 761.55 mi (1,225.60 km) |
| Colleferro to Ortenberg | 625.08 mi (1,005.97 km) |
