| Katowice to Noventa Vicentina | 488.73 mi (786.53 km) |
| Katowice to Novi di Modena | 529.43 mi (852.04 km) |
| Katowice to Novi Ligure | 609.62 mi (981.09 km) |
| Katowice to Nuoro | 831.65 mi (1,338.40 km) |
| Katowice to Occhiobello | 505.90 mi (814.16 km) |
| Katowice to Oderzo | 432.07 mi (695.34 km) |
| Katowice to Oggiono | 542.92 mi (873.74 km) |
| Katowice to Olbia | 791.75 mi (1,274.20 km) |
| Katowice to Oleggio | 577.98 mi (930.17 km) |
| Katowice to Olgiate Comasco | 557.51 mi (897.22 km) |
| Katowice to Olgiate Olona | 567.03 mi (912.54 km) |
| Katowice to Omegna | 575.28 mi (925.82 km) |
| Katowice to Opera | 565.38 mi (909.90 km) |
| Katowice to Oppeano | 499.52 mi (803.91 km) |
| Katowice to Orbassano | 645.18 mi (1,038.32 km) |
