| Morgantown to Octeville | 3,734.21 mi (6,009.62 km) |
| Morgantown to Oignies | 3,902.16 mi (6,279.93 km) |
| Morgantown to Oissel | 3,855.28 mi (6,204.47 km) |
| Morgantown to Olivet | 3,930.31 mi (6,325.22 km) |
| Morgantown to Ollioules | 4,248.03 mi (6,836.54 km) |
| Morgantown to Olonne-sur-Mer | 3,809.72 mi (6,131.16 km) |
| Morgantown to Oloron-Sainte-Marie | 3,957.79 mi (6,369.45 km) |
| Morgantown to Onet Village | 4,064.91 mi (6,541.84 km) |
| Morgantown to Onnaing | 3,928.78 mi (6,322.77 km) |
| Morgantown to Orange | 4,169.48 mi (6,710.13 km) |
| Morgantown to Orchies | 3,912.11 mi (6,295.93 km) |
| Morgantown to Orleans | 3,929.56 mi (6,324.01 km) |
| Morgantown to Orly | 3,925.84 mi (6,318.04 km) |
| Morgantown to Ormesson-sur-Marne | 3,930.70 mi (6,325.84 km) |
| Morgantown to Orsay | 3,918.60 mi (6,306.38 km) |
