| Dumfries to Octeville | 385.03 mi (619.65 km) |
| Dumfries to Oignies | 420.46 mi (676.66 km) |
| Dumfries to Oissel | 442.65 mi (712.37 km) |
| Dumfries to Olivet | 550.97 mi (886.69 km) |
| Dumfries to Ollioules | 926.65 mi (1,491.30 km) |
| Dumfries to Olonne-sur-Mer | 594.97 mi (957.51 km) |
| Dumfries to Oloron-Sainte-Marie | 831.44 mi (1,338.08 km) |
| Dumfries to Onet Village | 788.95 mi (1,269.69 km) |
| Dumfries to Onnaing | 441.65 mi (710.77 km) |
| Dumfries to Orange | 842.63 mi (1,356.08 km) |
| Dumfries to Orchies | 427.08 mi (687.31 km) |
| Dumfries to Orleans | 548.67 mi (883.00 km) |
| Dumfries to Orly | 505.91 mi (814.18 km) |
| Dumfries to Ormesson-sur-Marne | 506.50 mi (815.14 km) |
| Dumfries to Orsay | 504.39 mi (811.74 km) |
