| Utrecht to Octeville | 340.01 mi (547.19 km) |
| Utrecht to Oignies | 144.41 mi (232.41 km) |
| Utrecht to Oissel | 258.56 mi (416.11 km) |
| Utrecht to Olivet | 324.60 mi (522.39 km) |
| Utrecht to Ollioules | 618.89 mi (996.01 km) |
| Utrecht to Olonne-sur-Mer | 492.72 mi (792.95 km) |
| Utrecht to Oloron-Sainte-Marie | 668.97 mi (1,076.60 km) |
| Utrecht to Onet Village | 545.65 mi (878.14 km) |
| Utrecht to Onnaing | 134.30 mi (216.14 km) |
| Utrecht to Orange | 549.13 mi (883.74 km) |
| Utrecht to Orchies | 137.48 mi (221.25 km) |
| Utrecht to Orleans | 322.02 mi (518.23 km) |
| Utrecht to Orly | 259.99 mi (418.42 km) |
| Utrecht to Ormesson-sur-Marne | 254.49 mi (409.56 km) |
| Utrecht to Orsay | 267.07 mi (429.81 km) |
