| Slovenj Gradec to Noventa Vicentina | 190.37 mi (306.37 km) |
| Slovenj Gradec to Novi di Modena | 230.43 mi (370.83 km) |
| Slovenj Gradec to Novi Ligure | 327.11 mi (526.43 km) |
| Slovenj Gradec to Nuoro | 515.67 mi (829.89 km) |
| Slovenj Gradec to Occhiobello | 201.25 mi (323.88 km) |
| Slovenj Gradec to Oderzo | 133.65 mi (215.08 km) |
| Slovenj Gradec to Oggiono | 278.74 mi (448.58 km) |
| Slovenj Gradec to Olbia | 476.12 mi (766.25 km) |
| Slovenj Gradec to Oleggio | 315.30 mi (507.42 km) |
| Slovenj Gradec to Olgiate Comasco | 296.79 mi (477.64 km) |
| Slovenj Gradec to Olgiate Olona | 303.02 mi (487.66 km) |
| Slovenj Gradec to Omegna | 321.99 mi (518.19 km) |
| Slovenj Gradec to Opera | 292.12 mi (470.12 km) |
| Slovenj Gradec to Oppeano | 205.07 mi (330.03 km) |
| Slovenj Gradec to Orbassano | 377.93 mi (608.22 km) |
