| Plano to Octeville | 4,730.04 mi (7,612.26 km) |
| Plano to Oignies | 4,885.54 mi (7,862.52 km) |
| Plano to Oissel | 4,848.27 mi (7,802.54 km) |
| Plano to Olivet | 4,929.51 mi (7,933.28 km) |
| Plano to Ollioules | 5,260.81 mi (8,466.46 km) |
| Plano to Olonne-sur-Mer | 4,820.49 mi (7,757.82 km) |
| Plano to Oloron-Sainte-Marie | 4,979.31 mi (8,013.42 km) |
| Plano to Onet Village | 5,078.12 mi (8,172.45 km) |
| Plano to Onnaing | 4,911.52 mi (7,904.33 km) |
| Plano to Orange | 5,180.16 mi (8,336.66 km) |
| Plano to Orchies | 4,895.00 mi (7,877.74 km) |
| Plano to Orleans | 4,928.56 mi (7,931.75 km) |
| Plano to Orly | 4,919.79 mi (7,917.64 km) |
| Plano to Ormesson-sur-Marne | 4,924.17 mi (7,924.69 km) |
| Plano to Orsay | 4,913.14 mi (7,906.93 km) |
