| Omaha to Octeville | 4,303.78 mi (6,926.27 km) |
| Omaha to Oignies | 4,443.66 mi (7,151.37 km) |
| Omaha to Oissel | 4,417.43 mi (7,109.16 km) |
| Omaha to Olivet | 4,505.62 mi (7,251.10 km) |
| Omaha to Ollioules | 4,854.06 mi (7,811.85 km) |
| Omaha to Olonne-sur-Mer | 4,414.41 mi (7,104.30 km) |
| Omaha to Oloron-Sainte-Marie | 4,591.87 mi (7,389.90 km) |
| Omaha to Onet Village | 4,673.73 mi (7,521.64 km) |
| Omaha to Onnaing | 4,468.73 mi (7,191.72 km) |
| Omaha to Orange | 4,770.63 mi (7,677.58 km) |
| Omaha to Orchies | 4,452.51 mi (7,165.62 km) |
| Omaha to Orleans | 4,504.41 mi (7,249.15 km) |
| Omaha to Orly | 4,489.40 mi (7,224.99 km) |
| Omaha to Ormesson-sur-Marne | 4,493.18 mi (7,231.08 km) |
| Omaha to Orsay | 4,483.52 mi (7,215.54 km) |
