| Defiance to Nuth | 4,099.44 mi (6,597.41 km) |
| Defiance to Oegstgeest | 4,004.32 mi (6,444.33 km) |
| Defiance to Oirschot | 4,057.90 mi (6,530.56 km) |
| Defiance to Oisterwijk | 4,051.38 mi (6,520.07 km) |
| Defiance to Oldebroek | 4,049.17 mi (6,516.50 km) |
| Defiance to Oldenzaal | 4,091.82 mi (6,585.15 km) |
| Defiance to Ommen | 4,066.08 mi (6,543.73 km) |
| Defiance to Oosterend | 4,037.22 mi (6,497.27 km) |
| Defiance to Oosterhout | 4,036.46 mi (6,496.06 km) |
| Defiance to Oosterwolde | 4,045.90 mi (6,511.24 km) |
| Defiance to Oostzaan | 4,011.90 mi (6,456.53 km) |
| Defiance to Opmeer | 4,005.83 mi (6,446.76 km) |
| Defiance to Oss | 4,057.29 mi (6,529.58 km) |
| Defiance to Oud-Beijerland | 4,013.57 mi (6,459.21 km) |
| Defiance to Oudenbosch | 4,025.60 mi (6,478.58 km) |
