| Heerenveen to Noventa Vicentina | 586.71 mi (944.22 km) |
| Heerenveen to Novi di Modena | 600.25 mi (966.01 km) |
| Heerenveen to Novi Ligure | 580.47 mi (934.18 km) |
| Heerenveen to Nuoro | 887.39 mi (1,428.12 km) |
| Heerenveen to Occhiobello | 610.62 mi (982.69 km) |
| Heerenveen to Oderzo | 576.06 mi (927.08 km) |
| Heerenveen to Oggiono | 518.33 mi (834.17 km) |
| Heerenveen to Olbia | 848.00 mi (1,364.73 km) |
| Heerenveen to Oleggio | 522.12 mi (840.27 km) |
| Heerenveen to Olgiate Comasco | 513.51 mi (826.42 km) |
| Heerenveen to Olgiate Olona | 522.60 mi (841.05 km) |
| Heerenveen to Omegna | 501.03 mi (806.33 km) |
| Heerenveen to Opera | 543.29 mi (874.35 km) |
| Heerenveen to Oppeano | 579.04 mi (931.87 km) |
| Heerenveen to Orbassano | 553.55 mi (890.85 km) |
