| Coamo to Octeville | 4,148.56 mi (6,676.47 km) |
| Coamo to Oignies | 4,358.92 mi (7,015.00 km) |
| Coamo to Oissel | 4,268.56 mi (6,869.59 km) |
| Coamo to Olivet | 4,298.08 mi (6,917.10 km) |
| Coamo to Ollioules | 4,484.60 mi (7,217.27 km) |
| Coamo to Olonne-sur-Mer | 4,119.03 mi (6,628.94 km) |
| Coamo to Oloron-Sainte-Marie | 4,159.50 mi (6,694.07 km) |
| Coamo to Onet Village | 4,321.74 mi (6,955.17 km) |
| Coamo to Onnaing | 4,385.11 mi (7,057.15 km) |
| Coamo to Orange | 4,431.34 mi (7,131.56 km) |
| Coamo to Orchies | 4,369.94 mi (7,032.73 km) |
| Coamo to Orleans | 4,298.63 mi (6,917.98 km) |
| Coamo to Orly | 4,324.34 mi (6,959.36 km) |
| Coamo to Ormesson-sur-Marne | 4,331.13 mi (6,970.28 km) |
| Coamo to Orsay | 4,314.80 mi (6,944.01 km) |
