| East Riverdale to Octeville | 3,635.59 mi (5,850.91 km) |
| East Riverdale to Oignies | 3,809.09 mi (6,130.14 km) |
| East Riverdale to Oissel | 3,757.75 mi (6,047.52 km) |
| East Riverdale to Olivet | 3,829.44 mi (6,162.88 km) |
| East Riverdale to Ollioules | 4,138.87 mi (6,660.87 km) |
| East Riverdale to Olonne-sur-Mer | 3,702.67 mi (5,958.87 km) |
| East Riverdale to Oloron-Sainte-Marie | 3,843.34 mi (6,185.25 km) |
| East Riverdale to Onet Village | 3,955.83 mi (6,366.30 km) |
| East Riverdale to Onnaing | 3,835.93 mi (6,173.33 km) |
| East Riverdale to Orange | 4,061.73 mi (6,536.72 km) |
| East Riverdale to Orchies | 3,819.23 mi (6,146.46 km) |
| East Riverdale to Orleans | 3,828.79 mi (6,161.85 km) |
| East Riverdale to Orly | 3,827.66 mi (6,160.03 km) |
| East Riverdale to Ormesson-sur-Marne | 3,832.73 mi (6,168.19 km) |
| East Riverdale to Orsay | 3,820.15 mi (6,147.93 km) |
