| Dassel to Octeville | 517.50 mi (832.83 km) |
| Dassel to Oignies | 304.48 mi (490.01 km) |
| Dassel to Oissel | 413.55 mi (665.54 km) |
| Dassel to Olivet | 440.73 mi (709.29 km) |
| Dassel to Ollioules | 624.72 mi (1,005.39 km) |
| Dassel to Olonne-sur-Mer | 631.78 mi (1,016.75 km) |
| Dassel to Oloron-Sainte-Marie | 763.24 mi (1,228.31 km) |
| Dassel to Onet Village | 608.77 mi (979.71 km) |
| Dassel to Onnaing | 281.76 mi (453.45 km) |
| Dassel to Orange | 575.39 mi (926.00 km) |
| Dassel to Orchies | 294.02 mi (473.18 km) |
| Dassel to Orleans | 438.69 mi (706.01 km) |
| Dassel to Orly | 385.12 mi (619.78 km) |
| Dassel to Ormesson-sur-Marne | 378.06 mi (608.42 km) |
| Dassel to Orsay | 394.55 mi (634.97 km) |
