| Issaquah to Orbetello | 5,596.38 mi (9,006.51 km) |
| Issaquah to Oria | 5,870.37 mi (9,447.44 km) |
| Issaquah to Oristano | 5,678.05 mi (9,137.94 km) |
| Issaquah to Orta Nova | 5,774.13 mi (9,292.56 km) |
| Issaquah to Orte | 5,624.60 mi (9,051.92 km) |
| Issaquah to Ortona | 5,680.46 mi (9,141.81 km) |
| Issaquah to Orvieto | 5,602.19 mi (9,015.86 km) |
| Issaquah to Orzinuovi | 5,387.70 mi (8,670.67 km) |
| Issaquah to Osimo | 5,589.52 mi (8,995.47 km) |
| Issaquah to Ospitaletto | 5,381.96 mi (8,661.43 km) |
| Issaquah to Ostuni | 5,854.73 mi (9,422.28 km) |
| Issaquah to Ottaviano | 5,773.90 mi (9,292.19 km) |
| Issaquah to Ovada | 5,400.11 mi (8,690.63 km) |
| Issaquah to Ozieri | 5,649.04 mi (9,091.26 km) |
| Issaquah to Paceco | 5,899.36 mi (9,494.11 km) |
