| Brezno to Oerlinghausen | 529.97 mi (852.91 km) |
| Brezno to Oestrich-Winkel | 529.44 mi (852.06 km) |
| Brezno to Offenburg | 534.67 mi (860.48 km) |
| Brezno to Oftersheim | 501.49 mi (807.07 km) |
| Brezno to Ohrdruf | 420.84 mi (677.28 km) |
| Brezno to Ohringen | 460.25 mi (740.70 km) |
| Brezno to Olbernhau | 309.66 mi (498.35 km) |
| Brezno to Olching | 383.29 mi (616.85 km) |
| Brezno to Oldenburg | 579.69 mi (932.92 km) |
| Brezno to Oldenburg in Holstein | 533.91 mi (859.25 km) |
| Brezno to Olfen | 576.88 mi (928.39 km) |
| Brezno to Olpe | 546.60 mi (879.67 km) |
| Brezno to Olsberg | 524.56 mi (844.20 km) |
| Brezno to Oranienburg | 390.68 mi (628.73 km) |
| Brezno to Ortenberg | 485.86 mi (781.92 km) |
