| Mountlake Terrace to Cehegin | 5,467.49 mi (8,799.08 km) |
| Mountlake Terrace to Cervello | 5,396.82 mi (8,685.35 km) |
| Mountlake Terrace to Cervera | 5,361.24 mi (8,628.08 km) |
| Mountlake Terrace to Ceuti | 5,485.08 mi (8,827.39 km) |
| Mountlake Terrace to Cheste | 5,425.08 mi (8,730.82 km) |
| Mountlake Terrace to Chiclana de la Frontera | 5,415.64 mi (8,715.63 km) |
| Mountlake Terrace to Chipiona | 5,388.73 mi (8,672.32 km) |
| Mountlake Terrace to Chiva | 5,424.44 mi (8,729.80 km) |
| Mountlake Terrace to Churriana de la Vega | 5,459.56 mi (8,786.31 km) |
| Mountlake Terrace to Ciempozuelos | 5,294.73 mi (8,521.05 km) |
| Mountlake Terrace to Cieza | 5,471.44 mi (8,805.43 km) |
| Mountlake Terrace to Cisterniga | 5,181.03 mi (8,338.06 km) |
| Mountlake Terrace to Ciudad de Melilla | 5,586.46 mi (8,990.54 km) |
| Mountlake Terrace to Ciudad Real | 5,349.76 mi (8,609.61 km) |
| Mountlake Terrace to Ciudad-Rodrigo | 5,176.18 mi (8,330.26 km) |
