| Redmond to Orbetello | 5,590.48 mi (8,997.00 km) |
| Redmond to Oria | 5,864.02 mi (9,437.22 km) |
| Redmond to Oristano | 5,672.55 mi (9,129.09 km) |
| Redmond to Orta Nova | 5,767.90 mi (9,282.53 km) |
| Redmond to Orte | 5,618.59 mi (9,042.25 km) |
| Redmond to Ortona | 5,674.28 mi (9,131.87 km) |
| Redmond to Orvieto | 5,596.19 mi (9,006.19 km) |
| Redmond to Orzinuovi | 5,381.70 mi (8,661.01 km) |
| Redmond to Osimo | 5,583.35 mi (8,985.53 km) |
| Redmond to Ospitaletto | 5,375.94 mi (8,651.74 km) |
| Redmond to Ostuni | 5,848.37 mi (9,412.05 km) |
| Redmond to Ottaviano | 5,767.81 mi (9,282.39 km) |
| Redmond to Ovada | 5,394.26 mi (8,681.23 km) |
| Redmond to Ozieri | 5,643.46 mi (9,082.28 km) |
| Redmond to Paceco | 5,893.63 mi (9,484.88 km) |
