| Brezno to Oberkirch | 527.32 mi (848.64 km) |
| Brezno to Obernburg am Main | 477.95 mi (769.19 km) |
| Brezno to Obernkirchen | 519.81 mi (836.55 km) |
| Brezno to Oberschleissheim | 371.38 mi (597.68 km) |
| Brezno to Oberstdorf | 442.34 mi (711.88 km) |
| Brezno to Obertraubling | 339.74 mi (546.76 km) |
| Brezno to Obertshausen | 493.04 mi (793.47 km) |
| Brezno to Oberursel | 505.38 mi (813.33 km) |
| Brezno to Ochsenfurt | 435.76 mi (701.29 km) |
| Brezno to Ochsenhausen | 446.98 mi (719.35 km) |
| Brezno to Ochtrup | 594.60 mi (956.91 km) |
| Brezno to Odenthal | 577.38 mi (929.21 km) |
| Brezno to Oelde | 547.81 mi (881.62 km) |
| Brezno to Oelsnitz | 352.63 mi (567.50 km) |
| Brezno to Oer-Erkenschwick | 581.00 mi (935.03 km) |
