| Scotts Valley to Orbetello | 6,205.40 mi (9,986.63 km) |
| Scotts Valley to Oria | 6,500.08 mi (10,460.87 km) |
| Scotts Valley to Oristano | 6,265.29 mi (10,083.01 km) |
| Scotts Valley to Orta Nova | 6,398.37 mi (10,297.18 km) |
| Scotts Valley to Orte | 6,238.68 mi (10,040.18 km) |
| Scotts Valley to Ortona | 6,302.56 mi (10,142.99 km) |
| Scotts Valley to Orvieto | 6,216.03 mi (10,003.74 km) |
| Scotts Valley to Orzinuovi | 6,002.51 mi (9,660.11 km) |
| Scotts Valley to Osimo | 6,211.68 mi (9,996.74 km) |
| Scotts Valley to Ospitaletto | 5,997.90 mi (9,652.69 km) |
| Scotts Valley to Ostuni | 6,484.93 mi (10,436.49 km) |
| Scotts Valley to Ottaviano | 6,391.31 mi (10,285.82 km) |
| Scotts Valley to Ovada | 6,006.81 mi (9,667.03 km) |
| Scotts Valley to Ozieri | 6,241.01 mi (10,043.94 km) |
| Scotts Valley to Paceco | 6,497.78 mi (10,457.17 km) |
