| Cities | Distance |
|---|---|
| Harelbeke to Oegstgeest | 104.21 mi (167.72 km) |
| Harelbeke to Oirschot | 96.86 mi (155.88 km) |
| Harelbeke to Oisterwijk | 95.85 mi (154.26 km) |
| Harelbeke to Oldebroek | 156.24 mi (251.44 km) |
| Harelbeke to Oldenzaal | 185.25 mi (298.13 km) |
| Harelbeke to Ommen | 175.55 mi (282.53 km) |
| Harelbeke to Oosterend | 189.08 mi (304.30 km) |
| Harelbeke to Oosterhout | 86.08 mi (138.53 km) |
| Harelbeke to Oosterwolde | 194.48 mi (312.99 km) |
| Harelbeke to Oostzaan | 128.05 mi (206.08 km) |
| Harelbeke to Opmeer | 145.31 mi (233.85 km) |
| Harelbeke to Oss | 114.06 mi (183.56 km) |
| Harelbeke to Oud-Beijerland | 81.24 mi (130.75 km) |
| Harelbeke to Oudenbosch | 72.84 mi (117.23 km) |
| Harelbeke to Oudewater | 104.40 mi (168.02 km) |