| Glassboro to Octeville | 3,528.10 mi (5,677.93 km) |
| Glassboro to Oignies | 3,702.39 mi (5,958.43 km) |
| Glassboro to Oissel | 3,650.40 mi (5,874.75 km) |
| Glassboro to Olivet | 3,721.64 mi (5,989.40 km) |
| Glassboro to Ollioules | 4,030.26 mi (6,486.08 km) |
| Glassboro to Olonne-sur-Mer | 3,594.25 mi (5,784.38 km) |
| Glassboro to Oloron-Sainte-Marie | 3,734.46 mi (6,010.03 km) |
| Glassboro to Onet Village | 3,847.24 mi (6,191.54 km) |
| Glassboro to Onnaing | 3,729.26 mi (6,001.66 km) |
| Glassboro to Orange | 3,953.23 mi (6,362.10 km) |
| Glassboro to Orchies | 3,712.56 mi (5,974.79 km) |
| Glassboro to Orleans | 3,721.01 mi (5,988.39 km) |
| Glassboro to Orly | 3,720.21 mi (5,987.10 km) |
| Glassboro to Ormesson-sur-Marne | 3,725.31 mi (5,995.31 km) |
| Glassboro to Orsay | 3,712.66 mi (5,974.95 km) |
