| Delft to Octeville | 309.36 mi (497.87 km) |
| Delft to Oignies | 121.85 mi (196.09 km) |
| Delft to Oissel | 233.40 mi (375.62 km) |
| Delft to Olivet | 306.69 mi (493.56 km) |
| Delft to Ollioules | 616.89 mi (992.79 km) |
| Delft to Olonne-sur-Mer | 468.20 mi (753.49 km) |
| Delft to Oloron-Sainte-Marie | 651.29 mi (1,048.15 km) |
| Delft to Onet Village | 534.47 mi (860.15 km) |
| Delft to Onnaing | 116.94 mi (188.19 km) |
| Delft to Orange | 544.39 mi (876.12 km) |
| Delft to Orchies | 116.63 mi (187.70 km) |
| Delft to Orleans | 304.05 mi (489.32 km) |
| Delft to Orly | 241.81 mi (389.16 km) |
| Delft to Ormesson-sur-Marne | 236.86 mi (381.18 km) |
| Delft to Orsay | 248.13 mi (399.33 km) |
