| Merrick to Nuth | 3,703.67 mi (5,960.48 km) |
| Merrick to Oegstgeest | 3,615.26 mi (5,818.20 km) |
| Merrick to Oirschot | 3,665.30 mi (5,898.73 km) |
| Merrick to Oisterwijk | 3,659.21 mi (5,888.92 km) |
| Merrick to Oldebroek | 3,665.39 mi (5,898.87 km) |
| Merrick to Oldenzaal | 3,709.32 mi (5,969.57 km) |
| Merrick to Ommen | 3,683.99 mi (5,928.81 km) |
| Merrick to Oosterend | 3,658.25 mi (5,887.38 km) |
| Merrick to Oosterhout | 3,643.99 mi (5,864.43 km) |
| Merrick to Oosterwolde | 3,667.32 mi (5,901.98 km) |
| Merrick to Oostzaan | 3,625.75 mi (5,835.07 km) |
| Merrick to Opmeer | 3,621.97 mi (5,828.99 km) |
| Merrick to Oss | 3,667.26 mi (5,901.89 km) |
| Merrick to Oud-Beijerland | 3,621.45 mi (5,828.16 km) |
| Merrick to Oudenbosch | 3,631.96 mi (5,845.08 km) |
