| Dillenburg to Novi di Modena | 421.31 mi (678.03 km) |
| Dillenburg to Novi Ligure | 413.43 mi (665.35 km) |
| Dillenburg to Nuoro | 721.49 mi (1,161.13 km) |
| Dillenburg to Occhiobello | 429.59 mi (691.36 km) |
| Dillenburg to Oderzo | 393.02 mi (632.51 km) |
| Dillenburg to Oggiono | 345.50 mi (556.03 km) |
| Dillenburg to Olbia | 680.76 mi (1,095.58 km) |
| Dillenburg to Oleggio | 355.04 mi (571.38 km) |
| Dillenburg to Olgiate Comasco | 343.45 mi (552.73 km) |
| Dillenburg to Olgiate Olona | 353.45 mi (568.83 km) |
| Dillenburg to Omegna | 335.51 mi (539.95 km) |
| Dillenburg to Opera | 372.15 mi (598.91 km) |
| Dillenburg to Oppeano | 398.53 mi (641.37 km) |
| Dillenburg to Orbassano | 397.13 mi (639.12 km) |
| Dillenburg to Orbetello | 589.57 mi (948.81 km) |
