| Spokane to Oerlinghausen | 4,854.29 mi (7,812.22 km) |
| Spokane to Oestrich-Winkel | 4,948.40 mi (7,963.68 km) |
| Spokane to Offenburg | 5,033.23 mi (8,100.20 km) |
| Spokane to Oftersheim | 4,999.01 mi (8,045.12 km) |
| Spokane to Ohrdruf | 4,969.60 mi (7,997.80 km) |
| Spokane to Ohringen | 5,032.12 mi (8,098.42 km) |
| Spokane to Olbernhau | 5,040.94 mi (8,112.61 km) |
| Spokane to Olching | 5,135.55 mi (8,264.87 km) |
| Spokane to Oldenburg | 4,777.07 mi (7,687.95 km) |
| Spokane to Oldenburg in Holstein | 4,774.59 mi (7,683.96 km) |
| Spokane to Olfen | 4,836.36 mi (7,783.38 km) |
| Spokane to Olpe | 4,886.94 mi (7,864.77 km) |
| Spokane to Olsberg | 4,884.52 mi (7,860.87 km) |
| Spokane to Oranienburg | 4,917.00 mi (7,913.14 km) |
| Spokane to Ortenberg | 4,955.08 mi (7,974.44 km) |
