| Leidschendam to Noventa Vicentina | 570.92 mi (918.80 km) |
| Leidschendam to Novi di Modena | 578.61 mi (931.19 km) |
| Leidschendam to Novi Ligure | 544.28 mi (875.94 km) |
| Leidschendam to Nuoro | 846.03 mi (1,361.55 km) |
| Leidschendam to Occhiobello | 593.44 mi (955.05 km) |
| Leidschendam to Oderzo | 569.00 mi (915.72 km) |
| Leidschendam to Oggiono | 489.58 mi (787.90 km) |
| Leidschendam to Olbia | 808.25 mi (1,300.76 km) |
| Leidschendam to Oleggio | 487.35 mi (784.32 km) |
| Leidschendam to Olgiate Comasco | 481.89 mi (775.52 km) |
| Leidschendam to Olgiate Olona | 489.81 mi (788.27 km) |
| Leidschendam to Omegna | 465.47 mi (749.10 km) |
| Leidschendam to Opera | 512.05 mi (824.07 km) |
| Leidschendam to Oppeano | 561.04 mi (902.91 km) |
| Leidschendam to Orbassano | 509.40 mi (819.80 km) |
