| Giffnock to Octeville | 440.98 mi (709.68 km) |
| Giffnock to Oignies | 476.11 mi (766.23 km) |
| Giffnock to Oissel | 500.21 mi (805.02 km) |
| Giffnock to Olivet | 608.54 mi (979.35 km) |
| Giffnock to Ollioules | 984.13 mi (1,583.81 km) |
| Giffnock to Olonne-sur-Mer | 649.56 mi (1,045.37 km) |
| Giffnock to Oloron-Sainte-Marie | 886.58 mi (1,426.82 km) |
| Giffnock to Onet Village | 846.33 mi (1,362.03 km) |
| Giffnock to Onnaing | 496.70 mi (799.37 km) |
| Giffnock to Orange | 900.17 mi (1,448.68 km) |
| Giffnock to Orchies | 482.43 mi (776.39 km) |
| Giffnock to Orleans | 606.24 mi (975.66 km) |
| Giffnock to Orly | 563.29 mi (906.53 km) |
| Giffnock to Ormesson-sur-Marne | 563.82 mi (907.38 km) |
| Giffnock to Orsay | 561.85 mi (904.21 km) |
