| Cumnock to Orbetello | 1,135.53 mi (1,827.46 km) |
| Cumnock to Oria | 1,434.88 mi (2,309.21 km) |
| Cumnock to Oristano | 1,224.96 mi (1,971.39 km) |
| Cumnock to Orta Nova | 1,329.19 mi (2,139.12 km) |
| Cumnock to Orte | 1,167.06 mi (1,878.21 km) |
| Cumnock to Ortona | 1,232.50 mi (1,983.52 km) |
| Cumnock to Orvieto | 1,144.44 mi (1,841.80 km) |
| Cumnock to Orzinuovi | 930.79 mi (1,497.97 km) |
| Cumnock to Osimo | 1,142.03 mi (1,837.92 km) |
| Cumnock to Ospitaletto | 926.30 mi (1,490.73 km) |
| Cumnock to Ostuni | 1,420.40 mi (2,285.91 km) |
| Cumnock to Ottaviano | 1,319.64 mi (2,123.75 km) |
| Cumnock to Ovada | 938.30 mi (1,510.04 km) |
| Cumnock to Ozieri | 1,191.79 mi (1,918.00 km) |
| Cumnock to Paceco | 1,437.78 mi (2,313.88 km) |
