| Dumas to Octeville | 4,793.35 mi (7,714.15 km) |
| Dumas to Oignies | 4,934.37 mi (7,941.09 km) |
| Dumas to Oissel | 4,907.45 mi (7,897.78 km) |
| Dumas to Olivet | 4,995.05 mi (8,038.75 km) |
| Dumas to Ollioules | 5,341.57 mi (8,596.42 km) |
| Dumas to Olonne-sur-Mer | 4,901.49 mi (7,888.19 km) |
| Dumas to Oloron-Sainte-Marie | 5,075.83 mi (8,168.76 km) |
| Dumas to Onet Village | 5,160.75 mi (8,305.43 km) |
| Dumas to Onnaing | 4,959.48 mi (7,981.51 km) |
| Dumas to Orange | 5,258.48 mi (8,462.70 km) |
| Dumas to Orchies | 4,943.25 mi (7,955.38 km) |
| Dumas to Orleans | 4,993.87 mi (8,036.85 km) |
| Dumas to Orly | 4,979.42 mi (8,013.59 km) |
| Dumas to Ormesson-sur-Marne | 4,983.24 mi (8,019.76 km) |
| Dumas to Orsay | 4,973.47 mi (8,004.03 km) |
