| Citrus to Nuth | 5,641.49 mi (9,079.10 km) |
| Citrus to Oegstgeest | 5,536.46 mi (8,910.08 km) |
| Citrus to Oirschot | 5,595.01 mi (9,004.31 km) |
| Citrus to Oisterwijk | 5,587.90 mi (8,992.86 km) |
| Citrus to Oldebroek | 5,565.97 mi (8,957.57 km) |
| Citrus to Oldenzaal | 5,602.80 mi (9,016.84 km) |
| Citrus to Ommen | 5,577.78 mi (8,976.56 km) |
| Citrus to Oosterend | 5,543.41 mi (8,921.25 km) |
| Citrus to Oosterhout | 5,574.60 mi (8,971.45 km) |
| Citrus to Oosterwolde | 5,550.58 mi (8,932.79 km) |
| Citrus to Oostzaan | 5,536.73 mi (8,910.51 km) |
| Citrus to Opmeer | 5,525.67 mi (8,892.71 km) |
| Citrus to Oss | 5,588.38 mi (8,993.63 km) |
| Citrus to Oud-Beijerland | 5,552.29 mi (8,935.55 km) |
| Citrus to Oudenbosch | 5,567.13 mi (8,959.43 km) |
