| Fredrikstad to Octeville | 830.39 mi (1,336.38 km) |
| Fredrikstad to Oignies | 680.51 mi (1,095.17 km) |
| Fredrikstad to Oissel | 787.22 mi (1,266.91 km) |
| Fredrikstad to Olivet | 865.46 mi (1,392.83 km) |
| Fredrikstad to Ollioules | 1,131.03 mi (1,820.22 km) |
| Fredrikstad to Olonne-sur-Mer | 1,019.75 mi (1,641.14 km) |
| Fredrikstad to Oloron-Sainte-Marie | 1,210.13 mi (1,947.51 km) |
| Fredrikstad to Onet Village | 1,083.76 mi (1,744.14 km) |
| Fredrikstad to Onnaing | 675.01 mi (1,086.33 km) |
| Fredrikstad to Orange | 1,072.66 mi (1,726.28 km) |
| Fredrikstad to Orchies | 675.65 mi (1,087.36 km) |
| Fredrikstad to Orleans | 862.84 mi (1,388.61 km) |
| Fredrikstad to Orly | 800.62 mi (1,288.47 km) |
| Fredrikstad to Ormesson-sur-Marne | 795.44 mi (1,280.13 km) |
| Fredrikstad to Orsay | 807.12 mi (1,298.93 km) |
