| Willich to Octeville | 377.54 mi (607.58 km) |
| Willich to Oignies | 164.45 mi (264.65 km) |
| Willich to Oissel | 274.92 mi (442.44 km) |
| Willich to Olivet | 313.81 mi (505.04 km) |
| Willich to Ollioules | 562.25 mi (904.86 km) |
| Willich to Olonne-sur-Mer | 499.00 mi (803.07 km) |
| Willich to Oloron-Sainte-Marie | 650.09 mi (1,046.23 km) |
| Willich to Onet Village | 510.50 mi (821.57 km) |
| Willich to Onnaing | 142.28 mi (228.98 km) |
| Willich to Orange | 498.84 mi (802.80 km) |
| Willich to Orchies | 154.05 mi (247.92 km) |
| Willich to Orleans | 311.52 mi (501.34 km) |
| Willich to Orly | 253.63 mi (408.18 km) |
| Willich to Ormesson-sur-Marne | 246.91 mi (397.36 km) |
| Willich to Orsay | 262.53 mi (422.49 km) |
