| Westerland to Oegstgeest | 245.60 mi (395.25 km) |
| Westerland to Oirschot | 266.40 mi (428.73 km) |
| Westerland to Oisterwijk | 263.26 mi (423.68 km) |
| Westerland to Oldebroek | 196.43 mi (316.13 km) |
| Westerland to Oldenzaal | 187.81 mi (302.26 km) |
| Westerland to Ommen | 182.53 mi (293.75 km) |
| Westerland to Oosterend | 160.14 mi (257.72 km) |
| Westerland to Oosterhout | 266.90 mi (429.53 km) |
| Westerland to Oosterwolde | 155.91 mi (250.92 km) |
| Westerland to Oostzaan | 221.14 mi (355.89 km) |
| Westerland to Opmeer | 205.10 mi (330.07 km) |
| Westerland to Oss | 245.76 mi (395.52 km) |
| Westerland to Oud-Beijerland | 267.56 mi (430.59 km) |
| Westerland to Oudenbosch | 277.60 mi (446.75 km) |
| Westerland to Oudewater | 244.87 mi (394.09 km) |
