| Darton to Octeville | 273.52 mi (440.19 km) |
| Darton to Oignies | 288.62 mi (464.49 km) |
| Darton to Oissel | 314.12 mi (505.53 km) |
| Darton to Olivet | 422.72 mi (680.31 km) |
| Darton to Ollioules | 796.26 mi (1,281.45 km) |
| Darton to Olonne-sur-Mer | 487.15 mi (783.99 km) |
| Darton to Oloron-Sainte-Marie | 719.17 mi (1,157.40 km) |
| Darton to Onet Village | 663.63 mi (1,068.00 km) |
| Darton to Onnaing | 310.43 mi (499.59 km) |
| Darton to Orange | 712.85 mi (1,147.22 km) |
| Darton to Orchies | 295.53 mi (475.61 km) |
| Darton to Orleans | 420.34 mi (676.47 km) |
| Darton to Orly | 375.10 mi (603.67 km) |
| Darton to Ormesson-sur-Marne | 375.40 mi (604.15 km) |
| Darton to Orsay | 374.06 mi (601.99 km) |
