| Connahs Quay to Octeville | 255.48 mi (411.15 km) |
| Connahs Quay to Oignies | 320.42 mi (515.66 km) |
| Connahs Quay to Oissel | 322.16 mi (518.47 km) |
| Connahs Quay to Olivet | 428.99 mi (690.40 km) |
| Connahs Quay to Ollioules | 806.82 mi (1,298.45 km) |
| Connahs Quay to Olonne-sur-Mer | 465.18 mi (748.64 km) |
| Connahs Quay to Oloron-Sainte-Marie | 701.60 mi (1,129.11 km) |
| Connahs Quay to Onet Village | 663.01 mi (1,067.01 km) |
| Connahs Quay to Onnaing | 344.87 mi (555.02 km) |
| Connahs Quay to Orange | 721.76 mi (1,161.56 km) |
| Connahs Quay to Orchies | 328.85 mi (529.23 km) |
| Connahs Quay to Orleans | 426.84 mi (686.93 km) |
| Connahs Quay to Orly | 389.33 mi (626.56 km) |
| Connahs Quay to Ormesson-sur-Marne | 390.86 mi (629.03 km) |
| Connahs Quay to Orsay | 386.59 mi (622.16 km) |
