| Henin-Beaumont to Oegstgeest | 138.20 mi (222.42 km) |
| Henin-Beaumont to Oirschot | 126.49 mi (203.57 km) |
| Henin-Beaumont to Oisterwijk | 126.50 mi (203.58 km) |
| Henin-Beaumont to Oldebroek | 189.11 mi (304.35 km) |
| Henin-Beaumont to Oldenzaal | 215.94 mi (347.52 km) |
| Henin-Beaumont to Ommen | 207.82 mi (334.45 km) |
| Henin-Beaumont to Oosterend | 222.70 mi (358.40 km) |
| Henin-Beaumont to Oosterhout | 118.24 mi (190.28 km) |
| Henin-Beaumont to Oosterwolde | 227.89 mi (366.75 km) |
| Henin-Beaumont to Oostzaan | 162.00 mi (260.71 km) |
| Henin-Beaumont to Opmeer | 179.30 mi (288.55 km) |
| Henin-Beaumont to Oss | 145.01 mi (233.38 km) |
| Henin-Beaumont to Oud-Beijerland | 115.06 mi (185.17 km) |
| Henin-Beaumont to Oudenbosch | 105.75 mi (170.19 km) |
| Henin-Beaumont to Oudewater | 137.90 mi (221.93 km) |
