| Manassas Park to Octeville | 3,666.17 mi (5,900.14 km) |
| Manassas Park to Oignies | 3,839.37 mi (6,178.86 km) |
| Manassas Park to Oissel | 3,788.29 mi (6,096.66 km) |
| Manassas Park to Olivet | 3,860.15 mi (6,212.31 km) |
| Manassas Park to Ollioules | 4,169.96 mi (6,710.90 km) |
| Manassas Park to Olonne-sur-Mer | 3,733.66 mi (6,008.75 km) |
| Manassas Park to Oloron-Sainte-Marie | 3,874.60 mi (6,235.56 km) |
| Manassas Park to Onet Village | 3,986.92 mi (6,416.32 km) |
| Manassas Park to Onnaing | 3,866.19 mi (6,222.03 km) |
| Manassas Park to Orange | 4,092.76 mi (6,586.66 km) |
| Manassas Park to Orchies | 3,849.50 mi (6,195.16 km) |
| Manassas Park to Orleans | 3,859.50 mi (6,211.26 km) |
| Manassas Park to Orly | 3,858.23 mi (6,209.23 km) |
| Manassas Park to Ormesson-sur-Marne | 3,863.29 mi (6,217.37 km) |
| Manassas Park to Orsay | 3,850.73 mi (6,197.16 km) |
