| Martha Lake to Nuth | 4,952.65 mi (7,970.53 km) |
| Martha Lake to Oegstgeest | 4,846.07 mi (7,798.99 km) |
| Martha Lake to Oirschot | 4,905.12 mi (7,894.04 km) |
| Martha Lake to Oisterwijk | 4,897.95 mi (7,882.49 km) |
| Martha Lake to Oldebroek | 4,865.16 mi (7,829.71 km) |
| Martha Lake to Oldenzaal | 4,897.02 mi (7,880.99 km) |
| Martha Lake to Ommen | 4,873.47 mi (7,843.08 km) |
| Martha Lake to Oosterend | 4,837.38 mi (7,785.01 km) |
| Martha Lake to Oosterhout | 4,886.22 mi (7,863.60 km) |
| Martha Lake to Oosterwolde | 4,843.37 mi (7,794.65 km) |
| Martha Lake to Oostzaan | 4,841.92 mi (7,792.32 km) |
| Martha Lake to Opmeer | 4,828.37 mi (7,770.51 km) |
| Martha Lake to Oss | 4,895.11 mi (7,877.92 km) |
| Martha Lake to Oud-Beijerland | 4,865.22 mi (7,829.82 km) |
| Martha Lake to Oudenbosch | 4,881.16 mi (7,855.46 km) |
