| Spokane to Orbetello | 5,467.77 mi (8,799.52 km) |
| Spokane to Oria | 5,751.84 mi (9,256.69 km) |
| Spokane to Oristano | 5,540.44 mi (8,916.47 km) |
| Spokane to Orta Nova | 5,652.79 mi (9,097.28 km) |
| Spokane to Orte | 5,498.30 mi (8,848.66 km) |
| Spokane to Ortona | 5,557.98 mi (8,944.71 km) |
| Spokane to Orvieto | 5,475.75 mi (8,812.38 km) |
| Spokane to Orzinuovi | 5,261.45 mi (8,467.49 km) |
| Spokane to Osimo | 5,466.97 mi (8,798.24 km) |
| Spokane to Ospitaletto | 5,256.23 mi (8,459.09 km) |
| Spokane to Ostuni | 5,736.43 mi (9,231.89 km) |
| Spokane to Ottaviano | 5,649.31 mi (9,091.69 km) |
| Spokane to Ovada | 5,270.22 mi (8,481.60 km) |
| Spokane to Ozieri | 5,513.28 mi (8,872.76 km) |
| Spokane to Paceco | 5,766.57 mi (9,280.40 km) |
