| Storrs to Octeville | 3,321.51 mi (5,345.45 km) |
| Storrs to Oignies | 3,494.75 mi (5,624.25 km) |
| Storrs to Oissel | 3,443.59 mi (5,541.91 km) |
| Storrs to Olivet | 3,515.65 mi (5,657.88 km) |
| Storrs to Ollioules | 3,827.01 mi (6,158.97 km) |
| Storrs to Olonne-sur-Mer | 3,390.12 mi (5,455.87 km) |
| Storrs to Oloron-Sainte-Marie | 3,533.42 mi (5,686.49 km) |
| Storrs to Onet Village | 3,643.92 mi (5,864.32 km) |
| Storrs to Onnaing | 3,521.58 mi (5,667.44 km) |
| Storrs to Orange | 3,749.43 mi (6,034.12 km) |
| Storrs to Orchies | 3,504.89 mi (5,640.57 km) |
| Storrs to Orleans | 3,514.99 mi (5,656.82 km) |
| Storrs to Orly | 3,513.56 mi (5,654.52 km) |
| Storrs to Ormesson-sur-Marne | 3,518.61 mi (5,662.65 km) |
| Storrs to Orsay | 3,506.07 mi (5,642.47 km) |
