| West Springfield to Octeville | 3,656.76 mi (5,884.99 km) |
| West Springfield to Oignies | 3,830.23 mi (6,164.15 km) |
| West Springfield to Oissel | 3,778.92 mi (6,081.59 km) |
| West Springfield to Olivet | 3,850.61 mi (6,196.96 km) |
| West Springfield to Ollioules | 4,160.01 mi (6,694.89 km) |
| West Springfield to Olonne-sur-Mer | 3,723.83 mi (5,992.92 km) |
| West Springfield to Oloron-Sainte-Marie | 3,864.41 mi (6,219.17 km) |
| West Springfield to Onet Village | 3,976.98 mi (6,400.33 km) |
| West Springfield to Onnaing | 3,857.06 mi (6,207.34 km) |
| West Springfield to Orange | 4,082.88 mi (6,570.76 km) |
| West Springfield to Orchies | 3,840.37 mi (6,180.47 km) |
| West Springfield to Orleans | 3,849.97 mi (6,195.93 km) |
| West Springfield to Orly | 3,848.83 mi (6,194.10 km) |
| West Springfield to Ormesson-sur-Marne | 3,853.90 mi (6,202.26 km) |
| West Springfield to Orsay | 3,841.32 mi (6,182.01 km) |
