| Davidson to Octeville | 3,954.37 mi (6,363.95 km) |
| Davidson to Oignies | 4,129.49 mi (6,645.77 km) |
| Davidson to Oissel | 4,076.86 mi (6,561.07 km) |
| Davidson to Olivet | 4,147.29 mi (6,674.43 km) |
| Davidson to Ollioules | 4,452.57 mi (7,165.71 km) |
| Davidson to Olonne-sur-Mer | 4,017.78 mi (6,466.00 km) |
| Davidson to Oloron-Sainte-Marie | 4,153.92 mi (6,685.08 km) |
| Davidson to Onet Village | 4,269.70 mi (6,871.41 km) |
| Davidson to Onnaing | 4,156.37 mi (6,689.03 km) |
| Davidson to Orange | 4,376.25 mi (7,042.90 km) |
| Davidson to Orchies | 4,139.67 mi (6,662.16 km) |
| Davidson to Orleans | 4,146.69 mi (6,673.46 km) |
| Davidson to Orly | 4,146.52 mi (6,673.18 km) |
| Davidson to Ormesson-sur-Marne | 4,151.66 mi (6,681.46 km) |
| Davidson to Orsay | 4,138.91 mi (6,660.93 km) |
