| Orland Park to Octeville | 3,970.41 mi (6,389.76 km) |
| Orland Park to Oignies | 4,122.50 mi (6,634.52 km) |
| Orland Park to Oissel | 4,087.59 mi (6,578.35 km) |
| Orland Park to Olivet | 4,170.75 mi (6,712.17 km) |
| Orland Park to Ollioules | 4,507.94 mi (7,254.83 km) |
| Orland Park to Olonne-sur-Mer | 4,067.28 mi (6,545.65 km) |
| Orland Park to Oloron-Sainte-Marie | 4,233.67 mi (6,813.44 km) |
| Orland Park to Onet Village | 4,325.87 mi (6,961.81 km) |
| Orland Park to Onnaing | 4,148.33 mi (6,676.09 km) |
| Orland Park to Orange | 4,426.20 mi (7,123.29 km) |
| Orland Park to Orchies | 4,131.85 mi (6,649.57 km) |
| Orland Park to Orleans | 4,169.72 mi (6,710.52 km) |
| Orland Park to Orly | 4,159.29 mi (6,693.73 km) |
| Orland Park to Ormesson-sur-Marne | 4,163.53 mi (6,700.55 km) |
| Orland Park to Orsay | 4,152.83 mi (6,683.33 km) |
