| Cities | Distance |
|---|---|
| Hillegom to Oegstgeest | 8.49 mi (13.66 km) |
| Hillegom to Oirschot | 62.15 mi (100.02 km) |
| Hillegom to Oisterwijk | 55.04 mi (88.58 km) |
| Hillegom to Oldebroek | 56.73 mi (91.30 km) |
| Hillegom to Oldenzaal | 99.32 mi (159.83 km) |
| Hillegom to Ommen | 78.95 mi (127.06 km) |
| Hillegom to Oosterend | 79.64 mi (128.17 km) |
| Hillegom to Oosterhout | 45.74 mi (73.61 km) |
| Hillegom to Oosterwolde | 86.69 mi (139.51 km) |
| Hillegom to Oostzaan | 16.36 mi (26.33 km) |
| Hillegom to Opmeer | 32.66 mi (52.57 km) |
| Hillegom to Oss | 53.37 mi (85.90 km) |
| Hillegom to Oud-Beijerland | 33.17 mi (53.38 km) |
| Hillegom to Oudenbosch | 48.02 mi (77.29 km) |
| Hillegom to Oudewater | 21.99 mi (35.39 km) |