| Parker to Nuth | 4,919.61 mi (7,917.35 km) |
| Parker to Oegstgeest | 4,816.90 mi (7,752.04 km) |
| Parker to Oirschot | 4,874.35 mi (7,844.51 km) |
| Parker to Oisterwijk | 4,867.37 mi (7,833.27 km) |
| Parker to Oldebroek | 4,851.91 mi (7,808.39 km) |
| Parker to Oldenzaal | 4,891.11 mi (7,871.49 km) |
| Parker to Ommen | 4,865.58 mi (7,830.39 km) |
| Parker to Oosterend | 4,832.72 mi (7,777.52 km) |
| Parker to Oosterhout | 4,853.39 mi (7,810.78 km) |
| Parker to Oosterwolde | 4,840.49 mi (7,790.01 km) |
| Parker to Oostzaan | 4,819.64 mi (7,756.46 km) |
| Parker to Opmeer | 4,810.15 mi (7,741.19 km) |
| Parker to Oss | 4,869.69 mi (7,837.01 km) |
| Parker to Oud-Beijerland | 4,830.66 mi (7,774.20 km) |
| Parker to Oudenbosch | 4,844.71 mi (7,796.80 km) |
