| Hoek van Holland to Noventa Vicentina | 572.50 mi (921.36 km) |
| Hoek van Holland to Novi di Modena | 579.26 mi (932.22 km) |
| Hoek van Holland to Novi Ligure | 542.56 mi (873.17 km) |
| Hoek van Holland to Nuoro | 843.01 mi (1,356.69 km) |
| Hoek van Holland to Occhiobello | 594.77 mi (957.19 km) |
| Hoek van Holland to Oderzo | 571.94 mi (920.46 km) |
| Hoek van Holland to Oggiono | 489.25 mi (787.38 km) |
| Hoek van Holland to Olbia | 805.55 mi (1,296.40 km) |
| Hoek van Holland to Oleggio | 486.01 mi (782.16 km) |
| Hoek van Holland to Olgiate Comasco | 481.09 mi (774.25 km) |
| Hoek van Holland to Olgiate Olona | 488.80 mi (786.64 km) |
| Hoek van Holland to Omegna | 464.05 mi (746.81 km) |
| Hoek van Holland to Opera | 511.25 mi (822.78 km) |
| Hoek van Holland to Oppeano | 562.30 mi (904.94 km) |
| Hoek van Holland to Orbassano | 506.34 mi (814.87 km) |
