| Oudenbosch to Noventa Vicentina | 540.83 mi (870.38 km) |
| Oudenbosch to Novi di Modena | 547.38 mi (880.92 km) |
| Oudenbosch to Novi Ligure | 510.91 mi (822.23 km) |
| Oudenbosch to Nuoro | 811.94 mi (1,306.69 km) |
| Oudenbosch to Occhiobello | 563.02 mi (906.10 km) |
| Oudenbosch to Oderzo | 540.85 mi (870.42 km) |
| Oudenbosch to Oggiono | 457.34 mi (736.02 km) |
| Oudenbosch to Olbia | 774.31 mi (1,246.13 km) |
| Oudenbosch to Oleggio | 454.25 mi (731.04 km) |
| Oudenbosch to Olgiate Comasco | 449.23 mi (722.96 km) |
| Oudenbosch to Olgiate Olona | 456.97 mi (735.41 km) |
| Oudenbosch to Omegna | 432.30 mi (695.73 km) |
| Oudenbosch to Opera | 479.38 mi (771.50 km) |
| Oudenbosch to Oppeano | 530.54 mi (853.82 km) |
| Oudenbosch to Orbassano | 475.28 mi (764.88 km) |
