| Largs to Octeville | 446.94 mi (719.29 km) |
| Largs to Oignies | 491.00 mi (790.18 km) |
| Largs to Oissel | 510.91 mi (822.24 km) |
| Largs to Olivet | 618.89 mi (996.01 km) |
| Largs to Ollioules | 995.47 mi (1,602.06 km) |
| Largs to Olonne-sur-Mer | 653.48 mi (1,051.67 km) |
| Largs to Oloron-Sainte-Marie | 890.98 mi (1,433.89 km) |
| Largs to Onet Village | 855.05 mi (1,376.07 km) |
| Largs to Onnaing | 512.17 mi (824.25 km) |
| Largs to Orange | 911.11 mi (1,466.29 km) |
| Largs to Orchies | 497.61 mi (800.83 km) |
| Largs to Orleans | 616.65 mi (992.40 km) |
| Largs to Orly | 575.20 mi (925.69 km) |
| Largs to Ormesson-sur-Marne | 575.97 mi (926.93 km) |
| Largs to Orsay | 573.43 mi (922.85 km) |
