| Cities | Distance |
|---|---|
| Harnes to Oegstgeest | 137.72 mi (221.64 km) |
| Harnes to Oirschot | 127.13 mi (204.59 km) |
| Harnes to Oisterwijk | 127.00 mi (204.38 km) |
| Harnes to Oldebroek | 189.22 mi (304.51 km) |
| Harnes to Oldenzaal | 216.49 mi (348.40 km) |
| Harnes to Ommen | 208.07 mi (334.86 km) |
| Harnes to Oosterend | 222.55 mi (358.16 km) |
| Harnes to Oosterhout | 118.47 mi (190.65 km) |
| Harnes to Oosterwolde | 227.83 mi (366.66 km) |
| Harnes to Oostzaan | 161.62 mi (260.11 km) |
| Harnes to Opmeer | 178.82 mi (287.78 km) |
| Harnes to Oss | 145.48 mi (234.13 km) |
| Harnes to Oud-Beijerland | 114.80 mi (184.75 km) |
| Harnes to Oudenbosch | 105.81 mi (170.28 km) |
| Harnes to Oudewater | 137.79 mi (221.76 km) |