| Olkusz to Oerlinghausen | 486.23 mi (782.52 km) |
| Olkusz to Oestrich-Winkel | 511.98 mi (823.95 km) |
| Olkusz to Offenburg | 537.48 mi (865.00 km) |
| Olkusz to Oftersheim | 492.99 mi (793.39 km) |
| Olkusz to Ohrdruf | 389.31 mi (626.54 km) |
| Olkusz to Ohringen | 455.22 mi (732.60 km) |
| Olkusz to Olbernhau | 275.23 mi (442.95 km) |
| Olkusz to Olching | 398.63 mi (641.54 km) |
| Olkusz to Oldenburg | 523.93 mi (843.19 km) |
| Olkusz to Oldenburg in Holstein | 459.59 mi (739.63 km) |
| Olkusz to Olfen | 538.23 mi (866.20 km) |
| Olkusz to Olpe | 515.92 mi (830.29 km) |
| Olkusz to Olsberg | 488.88 mi (786.78 km) |
| Olkusz to Oranienburg | 321.11 mi (516.77 km) |
| Olkusz to Ortenberg | 463.30 mi (745.61 km) |
