| Oerlinghausen to Novi di Modena | 499.27 mi (803.50 km) |
| Oerlinghausen to Novi Ligure | 498.02 mi (801.49 km) |
| Oerlinghausen to Nuoro | 805.56 mi (1,296.42 km) |
| Oerlinghausen to Occhiobello | 504.66 mi (812.16 km) |
| Oerlinghausen to Oderzo | 461.25 mi (742.32 km) |
| Oerlinghausen to Oggiono | 428.35 mi (689.37 km) |
| Oerlinghausen to Olbia | 764.50 mi (1,230.34 km) |
| Oerlinghausen to Oleggio | 439.90 mi (707.95 km) |
| Oerlinghausen to Olgiate Comasco | 427.45 mi (687.91 km) |
| Oerlinghausen to Olgiate Olona | 437.71 mi (704.42 km) |
| Oerlinghausen to Omegna | 420.85 mi (677.29 km) |
| Oerlinghausen to Opera | 455.56 mi (733.15 km) |
| Oerlinghausen to Oppeano | 474.66 mi (763.90 km) |
| Oerlinghausen to Orbassano | 483.61 mi (778.29 km) |
| Oerlinghausen to Orbetello | 668.92 mi (1,076.52 km) |
