| Pecos to Octeville | 5,082.14 mi (8,178.92 km) |
| Pecos to Oignies | 5,228.79 mi (8,414.93 km) |
| Pecos to Oissel | 5,197.98 mi (8,365.35 km) |
| Pecos to Olivet | 5,283.17 mi (8,502.44 km) |
| Pecos to Ollioules | 5,623.63 mi (9,050.36 km) |
| Pecos to Olonne-sur-Mer | 5,183.00 mi (8,341.23 km) |
| Pecos to Oloron-Sainte-Marie | 5,350.35 mi (8,610.56 km) |
| Pecos to Onet Village | 5,441.80 mi (8,757.74 km) |
| Pecos to Onnaing | 5,254.24 mi (8,455.88 km) |
| Pecos to Orange | 5,541.52 mi (8,918.22 km) |
| Pecos to Orchies | 5,237.89 mi (8,429.57 km) |
| Pecos to Orleans | 5,282.08 mi (8,500.68 km) |
| Pecos to Orly | 5,269.85 mi (8,481.01 km) |
| Pecos to Ormesson-sur-Marne | 5,273.90 mi (8,487.52 km) |
| Pecos to Orsay | 5,263.63 mi (8,470.99 km) |
