| Boortmeerbeek to Oegstgeest | 83.02 mi (133.61 km) |
| Boortmeerbeek to Oirschot | 47.76 mi (76.85 km) |
| Boortmeerbeek to Oisterwijk | 49.67 mi (79.94 km) |
| Boortmeerbeek to Oldebroek | 116.30 mi (187.17 km) |
| Boortmeerbeek to Oldenzaal | 137.03 mi (220.53 km) |
| Boortmeerbeek to Ommen | 132.23 mi (212.80 km) |
| Boortmeerbeek to Oosterend | 153.47 mi (246.99 km) |
| Boortmeerbeek to Oosterhout | 47.28 mi (76.09 km) |
| Boortmeerbeek to Oosterwolde | 156.88 mi (252.48 km) |
| Boortmeerbeek to Oostzaan | 101.10 mi (162.70 km) |
| Boortmeerbeek to Opmeer | 119.74 mi (192.70 km) |
| Boortmeerbeek to Oss | 67.89 mi (109.25 km) |
| Boortmeerbeek to Oud-Beijerland | 58.03 mi (93.39 km) |
| Boortmeerbeek to Oudenbosch | 41.90 mi (67.44 km) |
| Boortmeerbeek to Oudewater | 72.56 mi (116.77 km) |
