| Sonoma to Cehegin | 5,951.88 mi (9,578.63 km) |
| Sonoma to Cervello | 5,913.49 mi (9,516.84 km) |
| Sonoma to Cervera | 5,876.16 mi (9,456.77 km) |
| Sonoma to Ceuti | 5,971.90 mi (9,610.85 km) |
| Sonoma to Cheste | 5,921.38 mi (9,529.54 km) |
| Sonoma to Chiclana de la Frontera | 5,869.94 mi (9,446.75 km) |
| Sonoma to Chipiona | 5,843.36 mi (9,403.97 km) |
| Sonoma to Chiva | 5,920.54 mi (9,528.19 km) |
| Sonoma to Churriana de la Vega | 5,930.23 mi (9,543.78 km) |
| Sonoma to Ciempozuelos | 5,781.03 mi (9,303.67 km) |
| Sonoma to Cieza | 5,958.35 mi (9,589.03 km) |
| Sonoma to Cisterniga | 5,670.02 mi (9,125.02 km) |
| Sonoma to Ciudad de Melilla | 6,050.93 mi (9,738.02 km) |
| Sonoma to Ciudad Real | 5,828.66 mi (9,380.32 km) |
| Sonoma to Ciudad-Rodrigo | 5,651.50 mi (9,095.21 km) |
