| Cromer to Oerlinghausen | 317.05 mi (510.25 km) |
| Cromer to Oestrich-Winkel | 352.10 mi (566.64 km) |
| Cromer to Offenburg | 423.17 mi (681.03 km) |
| Cromer to Oftersheim | 399.85 mi (643.50 km) |
| Cromer to Ohrdruf | 427.29 mi (687.66 km) |
| Cromer to Ohringen | 439.07 mi (706.61 km) |
| Cromer to Olbernhau | 536.62 mi (863.60 km) |
| Cromer to Olching | 546.94 mi (880.21 km) |
| Cromer to Oldenburg | 287.42 mi (462.56 km) |
| Cromer to Oldenburg in Holstein | 403.58 mi (649.51 km) |
| Cromer to Olfen | 270.07 mi (434.63 km) |
| Cromer to Olpe | 307.70 mi (495.19 km) |
| Cromer to Olsberg | 323.35 mi (520.38 km) |
| Cromer to Oranienburg | 497.65 mi (800.89 km) |
| Cromer to Ortenberg | 376.77 mi (606.36 km) |
