| Rotterdam to Noventa Vicentina | 559.20 mi (899.94 km) |
| Rotterdam to Novi di Modena | 566.67 mi (911.97 km) |
| Rotterdam to Novi Ligure | 532.03 mi (856.22 km) |
| Rotterdam to Nuoro | 833.77 mi (1,341.82 km) |
| Rotterdam to Occhiobello | 581.66 mi (936.09 km) |
| Rotterdam to Oderzo | 557.72 mi (897.57 km) |
| Rotterdam to Oggiono | 477.46 mi (768.39 km) |
| Rotterdam to Olbia | 795.98 mi (1,281.01 km) |
| Rotterdam to Oleggio | 475.12 mi (764.63 km) |
| Rotterdam to Olgiate Comasco | 469.71 mi (755.92 km) |
| Rotterdam to Olgiate Olona | 477.61 mi (768.63 km) |
| Rotterdam to Omegna | 453.23 mi (729.41 km) |
| Rotterdam to Opera | 499.87 mi (804.46 km) |
| Rotterdam to Oppeano | 549.24 mi (883.91 km) |
| Rotterdam to Orbassano | 497.14 mi (800.07 km) |
