| Gharb to Oegstgeest | 1,211.68 mi (1,950.01 km) |
| Gharb to Oirschot | 1,153.57 mi (1,856.49 km) |
| Gharb to Oisterwijk | 1,160.63 mi (1,867.85 km) |
| Gharb to Oldebroek | 1,202.80 mi (1,935.72 km) |
| Gharb to Oldenzaal | 1,178.12 mi (1,896.00 km) |
| Gharb to Ommen | 1,198.82 mi (1,929.32 km) |
| Gharb to Oosterend | 1,235.50 mi (1,988.34 km) |
| Gharb to Oosterhout | 1,170.87 mi (1,884.33 km) |
| Gharb to Oosterwolde | 1,231.19 mi (1,981.42 km) |
| Gharb to Oostzaan | 1,219.37 mi (1,962.38 km) |
| Gharb to Opmeer | 1,234.82 mi (1,987.25 km) |
| Gharb to Oss | 1,166.24 mi (1,876.89 km) |
| Gharb to Oud-Beijerland | 1,190.48 mi (1,915.90 km) |
| Gharb to Oudenbosch | 1,174.10 mi (1,889.53 km) |
| Gharb to Oudewater | 1,193.78 mi (1,921.21 km) |
