| Etterbeek to Oestrich-Winkel | 169.30 mi (272.46 km) |
| Etterbeek to Offenburg | 227.89 mi (366.76 km) |
| Etterbeek to Oftersheim | 211.81 mi (340.88 km) |
| Etterbeek to Ohrdruf | 277.01 mi (445.80 km) |
| Etterbeek to Ohringen | 253.58 mi (408.09 km) |
| Etterbeek to Olbernhau | 391.19 mi (629.55 km) |
| Etterbeek to Olching | 360.11 mi (579.54 km) |
| Etterbeek to Oldenburg | 228.09 mi (367.07 km) |
| Etterbeek to Oldenburg in Holstein | 362.91 mi (584.05 km) |
| Etterbeek to Olfen | 143.30 mi (230.62 km) |
| Etterbeek to Olpe | 150.77 mi (242.65 km) |
| Etterbeek to Olsberg | 181.44 mi (292.01 km) |
| Etterbeek to Oranienburg | 400.64 mi (644.76 km) |
| Etterbeek to Ortenberg | 207.52 mi (333.97 km) |
| Etterbeek to Oschatz | 379.93 mi (611.44 km) |
