| Spokane Valley to Orbetello | 5,462.59 mi (8,791.19 km) |
| Spokane Valley to Oria | 5,747.10 mi (9,249.06 km) |
| Spokane Valley to Oristano | 5,534.86 mi (8,907.49 km) |
| Spokane Valley to Orta Nova | 5,647.93 mi (9,089.46 km) |
| Spokane Valley to Orte | 5,493.23 mi (8,840.49 km) |
| Spokane Valley to Ortona | 5,553.08 mi (8,936.81 km) |
| Spokane Valley to Orvieto | 5,470.68 mi (8,804.20 km) |
| Spokane Valley to Orzinuovi | 5,256.39 mi (8,459.35 km) |
| Spokane Valley to Osimo | 5,462.07 mi (8,790.35 km) |
| Spokane Valley to Ospitaletto | 5,251.20 mi (8,450.99 km) |
| Spokane Valley to Ostuni | 5,731.70 mi (9,224.28 km) |
| Spokane Valley to Ottaviano | 5,644.31 mi (9,083.63 km) |
| Spokane Valley to Ovada | 5,265.00 mi (8,473.20 km) |
| Spokane Valley to Ozieri | 5,507.78 mi (8,863.92 km) |
| Spokane Valley to Paceco | 5,761.20 mi (9,271.75 km) |
