| Overpelt to Oestrich-Winkel | 141.05 mi (226.99 km) |
| Overpelt to Offenburg | 220.60 mi (355.02 km) |
| Overpelt to Oftersheim | 189.24 mi (304.55 km) |
| Overpelt to Ohrdruf | 232.54 mi (374.24 km) |
| Overpelt to Ohringen | 228.02 mi (366.96 km) |
| Overpelt to Olbernhau | 346.58 mi (557.76 km) |
| Overpelt to Olching | 335.89 mi (540.56 km) |
| Overpelt to Oldenburg | 178.23 mi (286.83 km) |
| Overpelt to Oldenburg in Holstein | 312.30 mi (502.59 km) |
| Overpelt to Olfen | 91.42 mi (147.13 km) |
| Overpelt to Olpe | 105.72 mi (170.13 km) |
| Overpelt to Olsberg | 132.84 mi (213.78 km) |
| Overpelt to Oranienburg | 349.10 mi (561.83 km) |
| Overpelt to Ortenberg | 169.68 mi (273.08 km) |
| Overpelt to Oschatz | 332.43 mi (534.99 km) |
