| Spokane Valley to Castelfidardo | 5,464.83 mi (8,794.80 km) |
| Spokane Valley to Castelfiorentino | 5,388.36 mi (8,671.73 km) |
| Spokane Valley to Castelfranco di Sopra | 5,402.93 mi (8,695.17 km) |
| Spokane Valley to Castelfranco di Sotto | 5,376.68 mi (8,652.93 km) |
| Spokane Valley to Castelfranco Emilia | 5,332.78 mi (8,582.29 km) |
| Spokane Valley to Castelfranco Veneto | 5,293.69 mi (8,519.37 km) |
| Spokane Valley to Castellabate | 5,690.96 mi (9,158.72 km) |
| Spokane Valley to Castellammare del Golfo | 5,768.01 mi (9,282.71 km) |
| Spokane Valley to Castellammare di Stabia | 5,653.62 mi (9,098.63 km) |
| Spokane Valley to Castellamonte | 5,196.85 mi (8,363.53 km) |
| Spokane Valley to Castellana Grotte | 5,712.10 mi (9,192.74 km) |
| Spokane Valley to Castellaneta | 5,721.26 mi (9,207.48 km) |
| Spokane Valley to Castellanza | 5,216.08 mi (8,394.46 km) |
| Spokane Valley to Castellarano | 5,327.32 mi (8,573.49 km) |
| Spokane Valley to Castelleone | 5,257.76 mi (8,461.54 km) |
