| Leuven to Oestrich-Winkel | 157.50 mi (253.46 km) |
| Leuven to Offenburg | 220.82 mi (355.37 km) |
| Leuven to Oftersheim | 201.29 mi (323.94 km) |
| Leuven to Ohrdruf | 263.09 mi (423.40 km) |
| Leuven to Ohringen | 242.61 mi (390.45 km) |
| Leuven to Olbernhau | 377.29 mi (607.19 km) |
| Leuven to Olching | 349.63 mi (562.67 km) |
| Leuven to Oldenburg | 216.11 mi (347.80 km) |
| Leuven to Oldenburg in Holstein | 350.61 mi (564.25 km) |
| Leuven to Olfen | 129.42 mi (208.28 km) |
| Leuven to Olpe | 136.69 mi (219.98 km) |
| Leuven to Olsberg | 167.21 mi (269.10 km) |
| Leuven to Oranienburg | 386.57 mi (622.12 km) |
| Leuven to Ortenberg | 194.34 mi (312.76 km) |
| Leuven to Oschatz | 365.77 mi (588.65 km) |
