| Gulagac to Octeville | 1,926.14 mi (3,099.83 km) |
| Gulagac to Oignies | 1,739.15 mi (2,798.90 km) |
| Gulagac to Oissel | 1,801.91 mi (2,899.89 km) |
| Gulagac to Olivet | 1,746.03 mi (2,809.96 km) |
| Gulagac to Ollioules | 1,519.06 mi (2,444.70 km) |
| Gulagac to Olonne-sur-Mer | 1,906.13 mi (3,067.62 km) |
| Gulagac to Oloron-Sainte-Marie | 1,844.23 mi (2,968.00 km) |
| Gulagac to Onet Village | 1,685.53 mi (2,712.60 km) |
| Gulagac to Onnaing | 1,712.06 mi (2,755.29 km) |
| Gulagac to Orange | 1,575.07 mi (2,534.84 km) |
| Gulagac to Orchies | 1,728.71 mi (2,782.08 km) |
| Gulagac to Orleans | 1,746.11 mi (2,810.09 km) |
| Gulagac to Orly | 1,735.56 mi (2,793.11 km) |
| Gulagac to Ormesson-sur-Marne | 1,729.71 mi (2,783.70 km) |
| Gulagac to Orsay | 1,744.04 mi (2,806.76 km) |
