| Erquelinnes to Oignies | 50.90 mi (81.92 km) |
| Erquelinnes to Oissel | 150.72 mi (242.56 km) |
| Erquelinnes to Olivet | 196.62 mi (316.44 km) |
| Erquelinnes to Ollioules | 502.10 mi (808.05 km) |
| Erquelinnes to Olonne-sur-Mer | 375.35 mi (604.06 km) |
| Erquelinnes to Oloron-Sainte-Marie | 539.95 mi (868.96 km) |
| Erquelinnes to Onet Village | 416.89 mi (670.91 km) |
| Erquelinnes to Onnaing | 23.71 mi (38.16 km) |
| Erquelinnes to Orange | 427.64 mi (688.23 km) |
| Erquelinnes to Orchies | 40.30 mi (64.86 km) |
| Erquelinnes to Orleans | 194.12 mi (312.41 km) |
| Erquelinnes to Orly | 133.12 mi (214.24 km) |
| Erquelinnes to Ormesson-sur-Marne | 127.00 mi (204.39 km) |
| Erquelinnes to Orsay | 141.19 mi (227.23 km) |
| Erquelinnes to Orthez | 524.63 mi (844.31 km) |
