| Spokane Valley to Cortona | 5,434.77 mi (8,746.42 km) |
| Spokane Valley to Cosenza | 5,783.90 mi (9,308.28 km) |
| Spokane Valley to Cossato | 5,198.90 mi (8,366.82 km) |
| Spokane Valley to Costa Volpino | 5,236.03 mi (8,426.58 km) |
| Spokane Valley to Creazzo | 5,289.74 mi (8,513.01 km) |
| Spokane Valley to Crema | 5,251.59 mi (8,451.62 km) |
| Spokane Valley to Cremona | 5,274.44 mi (8,488.39 km) |
| Spokane Valley to Crevalcore | 5,328.40 mi (8,575.24 km) |
| Spokane Valley to Crispiano | 5,730.91 mi (9,223.01 km) |
| Spokane Valley to Crosia | 5,781.33 mi (9,304.15 km) |
| Spokane Valley to Crotone | 5,819.61 mi (9,365.76 km) |
| Spokane Valley to Cuneo | 5,249.00 mi (8,447.44 km) |
| Spokane Valley to Cuorgne | 5,194.69 mi (8,360.05 km) |
| Spokane Valley to Cusano Milanino | 5,227.57 mi (8,412.96 km) |
| Spokane Valley to Cutro | 5,819.17 mi (9,365.05 km) |
