| Cities | Distance |
|---|---|
| Harlingen to Oegstgeest | 79.37 mi (127.74 km) |
| Harlingen to Oirschot | 115.76 mi (186.30 km) |
| Harlingen to Oisterwijk | 110.30 mi (177.50 km) |
| Harlingen to Oldebroek | 53.75 mi (86.51 km) |
| Harlingen to Oldenzaal | 86.45 mi (139.12 km) |
| Harlingen to Ommen | 61.36 mi (98.75 km) |
| Harlingen to Oosterend | 29.01 mi (46.68 km) |
| Harlingen to Oosterhout | 108.44 mi (174.52 km) |
| Harlingen to Oosterwolde | 38.04 mi (61.21 km) |
| Harlingen to Oostzaan | 55.97 mi (90.07 km) |
| Harlingen to Opmeer | 38.28 mi (61.61 km) |
| Harlingen to Oss | 97.28 mi (156.56 km) |
| Harlingen to Oud-Beijerland | 103.23 mi (166.13 km) |
| Harlingen to Oudenbosch | 115.91 mi (186.54 km) |
| Harlingen to Oudewater | 83.32 mi (134.10 km) |