| Cheyenne to Octeville | 4,631.53 mi (7,453.73 km) |
| Cheyenne to Oignies | 4,756.44 mi (7,654.74 km) |
| Cheyenne to Oissel | 4,740.31 mi (7,628.80 km) |
| Cheyenne to Olivet | 4,833.68 mi (7,779.06 km) |
| Cheyenne to Ollioules | 5,193.08 mi (8,357.45 km) |
| Cheyenne to Olonne-sur-Mer | 4,757.28 mi (7,656.10 km) |
| Cheyenne to Oloron-Sainte-Marie | 4,946.74 mi (7,961.01 km) |
| Cheyenne to Onet Village | 5,015.87 mi (8,072.26 km) |
| Cheyenne to Onnaing | 4,780.45 mi (7,693.39 km) |
| Cheyenne to Orange | 5,108.13 mi (8,220.74 km) |
| Cheyenne to Orchies | 4,764.66 mi (7,667.98 km) |
| Cheyenne to Orleans | 4,832.27 mi (7,776.79 km) |
| Cheyenne to Orly | 4,812.08 mi (7,744.30 km) |
| Cheyenne to Ormesson-sur-Marne | 4,815.31 mi (7,749.49 km) |
| Cheyenne to Orsay | 4,806.92 mi (7,735.99 km) |
