| Clearlake to Nuth | 5,490.74 mi (8,836.49 km) |
| Clearlake to Oegstgeest | 5,384.40 mi (8,665.36 km) |
| Clearlake to Oirschot | 5,443.48 mi (8,760.43 km) |
| Clearlake to Oisterwijk | 5,436.30 mi (8,748.88 km) |
| Clearlake to Oldebroek | 5,408.06 mi (8,703.44 km) |
| Clearlake to Oldenzaal | 5,442.17 mi (8,758.33 km) |
| Clearlake to Ommen | 5,417.90 mi (8,719.26 km) |
| Clearlake to Oosterend | 5,382.40 mi (8,662.14 km) |
| Clearlake to Oosterhout | 5,423.84 mi (8,728.83 km) |
| Clearlake to Oosterwolde | 5,388.92 mi (8,672.63 km) |
| Clearlake to Oostzaan | 5,382.16 mi (8,661.74 km) |
| Clearlake to Opmeer | 5,369.62 mi (8,641.57 km) |
| Clearlake to Oss | 5,434.89 mi (8,746.61 km) |
| Clearlake to Oud-Beijerland | 5,402.19 mi (8,693.98 km) |
| Clearlake to Oudenbosch | 5,417.71 mi (8,718.96 km) |
