| Largs to Orbetello | 1,168.97 mi (1,881.27 km) |
| Largs to Oria | 1,467.97 mi (2,362.47 km) |
| Largs to Oristano | 1,257.84 mi (2,024.29 km) |
| Largs to Orta Nova | 1,362.42 mi (2,192.61 km) |
| Largs to Orte | 1,200.48 mi (1,931.99 km) |
| Largs to Ortona | 1,265.77 mi (2,037.07 km) |
| Largs to Orvieto | 1,177.86 mi (1,895.58 km) |
| Largs to Orzinuovi | 964.19 mi (1,551.71 km) |
| Largs to Osimo | 1,175.27 mi (1,891.42 km) |
| Largs to Ospitaletto | 959.67 mi (1,544.44 km) |
| Largs to Ostuni | 1,453.46 mi (2,339.12 km) |
| Largs to Ottaviano | 1,353.02 mi (2,177.48 km) |
| Largs to Ovada | 971.71 mi (1,563.82 km) |
| Largs to Ozieri | 1,224.84 mi (1,971.19 km) |
| Largs to Paceco | 1,471.10 mi (2,367.50 km) |
