| Slupca to Noventa Vicentina | 563.55 mi (906.95 km) |
| Slupca to Novi di Modena | 602.03 mi (968.88 km) |
| Slupca to Novi Ligure | 665.36 mi (1,070.79 km) |
| Slupca to Nuoro | 921.22 mi (1,482.56 km) |
| Slupca to Occhiobello | 584.59 mi (940.80 km) |
| Slupca to Oderzo | 511.65 mi (823.43 km) |
| Slupca to Oggiono | 592.09 mi (952.87 km) |
| Slupca to Olbia | 879.71 mi (1,415.76 km) |
| Slupca to Oleggio | 623.40 mi (1,003.26 km) |
| Slupca to Olgiate Comasco | 603.46 mi (971.17 km) |
| Slupca to Olgiate Olona | 614.08 mi (988.27 km) |
| Slupca to Omegna | 615.55 mi (990.63 km) |
| Slupca to Opera | 618.07 mi (994.69 km) |
| Slupca to Oppeano | 570.80 mi (918.61 km) |
| Slupca to Orbassano | 688.76 mi (1,108.45 km) |
