| Buckeye to Octeville | 5,315.92 mi (8,555.15 km) |
| Buckeye to Oignies | 5,441.03 mi (8,756.49 km) |
| Buckeye to Oissel | 5,424.93 mi (8,730.59 km) |
| Buckeye to Olivet | 5,518.09 mi (8,880.51 km) |
| Buckeye to Ollioules | 5,876.56 mi (9,457.41 km) |
| Buckeye to Olonne-sur-Mer | 5,440.02 mi (8,754.86 km) |
| Buckeye to Oloron-Sainte-Marie | 5,627.02 mi (9,055.81 km) |
| Buckeye to Onet Village | 5,698.84 mi (9,171.39 km) |
| Buckeye to Onnaing | 5,465.00 mi (8,795.07 km) |
| Buckeye to Orange | 5,791.78 mi (9,320.96 km) |
| Buckeye to Orchies | 5,449.23 mi (8,769.68 km) |
| Buckeye to Orleans | 5,516.69 mi (8,878.26 km) |
| Buckeye to Orly | 5,496.72 mi (8,846.11 km) |
| Buckeye to Ormesson-sur-Marne | 5,499.95 mi (8,851.32 km) |
| Buckeye to Orsay | 5,491.53 mi (8,837.77 km) |
