| Fort Leonard Wood to Octeville | 4,316.54 mi (6,946.80 km) |
| Fort Leonard Wood to Oignies | 4,470.41 mi (7,194.43 km) |
| Fort Leonard Wood to Oissel | 4,434.27 mi (7,136.27 km) |
| Fort Leonard Wood to Olivet | 4,516.46 mi (7,268.54 km) |
| Fort Leonard Wood to Ollioules | 4,850.75 mi (7,806.52 km) |
| Fort Leonard Wood to Olonne-sur-Mer | 4,410.17 mi (7,097.48 km) |
| Fort Leonard Wood to Oloron-Sainte-Marie | 4,572.84 mi (7,359.27 km) |
| Fort Leonard Wood to Onet Village | 4,668.34 mi (7,512.96 km) |
| Fort Leonard Wood to Onnaing | 4,496.32 mi (7,236.13 km) |
| Fort Leonard Wood to Orange | 4,769.54 mi (7,675.83 km) |
| Fort Leonard Wood to Orchies | 4,479.82 mi (7,209.57 km) |
| Fort Leonard Wood to Orleans | 4,515.47 mi (7,266.95 km) |
| Fort Leonard Wood to Orly | 4,505.89 mi (7,251.52 km) |
| Fort Leonard Wood to Ormesson-sur-Marne | 4,510.20 mi (7,258.46 km) |
| Fort Leonard Wood to Orsay | 4,499.33 mi (7,240.96 km) |
