| Olkusz to Noventa Vicentina | 507.70 mi (817.07 km) |
| Olkusz to Novi di Modena | 548.52 mi (882.76 km) |
| Olkusz to Novi Ligure | 630.28 mi (1,014.34 km) |
| Olkusz to Nuoro | 847.60 mi (1,364.08 km) |
| Olkusz to Occhiobello | 524.31 mi (843.79 km) |
| Olkusz to Oderzo | 450.71 mi (725.34 km) |
| Olkusz to Oggiono | 564.34 mi (908.21 km) |
| Olkusz to Olbia | 808.03 mi (1,300.40 km) |
| Olkusz to Oleggio | 599.61 mi (964.99 km) |
| Olkusz to Olgiate Comasco | 579.15 mi (932.05 km) |
| Olkusz to Olgiate Olona | 588.56 mi (947.19 km) |
| Olkusz to Omegna | 597.30 mi (961.27 km) |
| Olkusz to Opera | 586.44 mi (943.78 km) |
| Olkusz to Oppeano | 518.89 mi (835.07 km) |
| Olkusz to Orbassano | 666.81 mi (1,073.13 km) |
