| North Druid Hills to Octeville | 4,179.52 mi (6,726.29 km) |
| North Druid Hills to Oignies | 4,352.82 mi (7,005.19 km) |
| North Druid Hills to Oissel | 4,301.71 mi (6,922.93 km) |
| North Druid Hills to Olivet | 4,373.21 mi (7,037.99 km) |
| North Druid Hills to Ollioules | 4,680.67 mi (7,532.81 km) |
| North Druid Hills to Olonne-sur-Mer | 4,245.29 mi (6,832.13 km) |
| North Druid Hills to Oloron-Sainte-Marie | 4,382.90 mi (7,053.59 km) |
| North Druid Hills to Onet Village | 4,497.73 mi (7,238.40 km) |
| North Druid Hills to Onnaing | 4,379.64 mi (7,048.34 km) |
| North Druid Hills to Orange | 4,604.03 mi (7,409.47 km) |
| North Druid Hills to Orchies | 4,362.94 mi (7,021.48 km) |
| North Druid Hills to Orleans | 4,372.57 mi (7,036.98 km) |
| North Druid Hills to Orly | 4,371.60 mi (7,035.42 km) |
| North Druid Hills to Ormesson-sur-Marne | 4,376.68 mi (7,043.59 km) |
| North Druid Hills to Orsay | 4,364.08 mi (7,023.31 km) |
