| Etterbeek to Novi di Modena | 509.19 mi (819.47 km) |
| Etterbeek to Novi Ligure | 466.57 mi (750.87 km) |
| Etterbeek to Nuoro | 764.60 mi (1,230.51 km) |
| Etterbeek to Occhiobello | 526.84 mi (847.87 km) |
| Etterbeek to Oderzo | 510.10 mi (820.93 km) |
| Etterbeek to Oggiono | 416.73 mi (670.66 km) |
| Etterbeek to Olbia | 727.59 mi (1,170.94 km) |
| Etterbeek to Oleggio | 410.96 mi (661.38 km) |
| Etterbeek to Olgiate Comasco | 407.38 mi (655.62 km) |
| Etterbeek to Olgiate Olona | 414.52 mi (667.10 km) |
| Etterbeek to Omegna | 388.89 mi (625.86 km) |
| Etterbeek to Opera | 437.41 mi (703.94 km) |
| Etterbeek to Oppeano | 494.29 mi (795.48 km) |
| Etterbeek to Orbassano | 428.10 mi (688.96 km) |
| Etterbeek to Orbetello | 663.65 mi (1,068.05 km) |
