| Cerknica to Oerlinghausen | 498.27 mi (801.90 km) |
| Cerknica to Oestrich-Winkel | 413.37 mi (665.25 km) |
| Cerknica to Offenburg | 353.72 mi (569.26 km) |
| Cerknica to Oftersheim | 365.02 mi (587.45 km) |
| Cerknica to Ohrdruf | 385.39 mi (620.23 km) |
| Cerknica to Ohringen | 326.57 mi (525.56 km) |
| Cerknica to Olbernhau | 339.79 mi (546.83 km) |
| Cerknica to Olching | 219.33 mi (352.97 km) |
| Cerknica to Oldenburg | 577.28 mi (929.04 km) |
| Cerknica to Oldenburg in Holstein | 607.24 mi (977.26 km) |
| Cerknica to Olfen | 517.45 mi (832.75 km) |
| Cerknica to Olpe | 468.30 mi (753.66 km) |
| Cerknica to Olsberg | 468.04 mi (753.24 km) |
| Cerknica to Oranienburg | 483.38 mi (777.93 km) |
| Cerknica to Ortenberg | 398.74 mi (641.71 km) |
