| Mission to Cehegin | 5,452.95 mi (8,775.67 km) |
| Mission to Cervello | 5,534.79 mi (8,907.38 km) |
| Mission to Cervera | 5,494.64 mi (8,842.77 km) |
| Mission to Ceuti | 5,479.33 mi (8,818.13 km) |
| Mission to Cheste | 5,467.01 mi (8,798.31 km) |
| Mission to Chiclana de la Frontera | 5,280.41 mi (8,498.00 km) |
| Mission to Chipiona | 5,257.49 mi (8,461.11 km) |
| Mission to Chiva | 5,465.55 mi (8,795.95 km) |
| Mission to Churriana de la Vega | 5,387.42 mi (8,670.22 km) |
| Mission to Ciempozuelos | 5,305.76 mi (8,538.80 km) |
| Mission to Cieza | 5,467.43 mi (8,798.98 km) |
| Mission to Cisterniga | 5,215.43 mi (8,393.43 km) |
| Mission to Ciudad de Melilla | 5,476.13 mi (8,812.97 km) |
| Mission to Ciudad Real | 5,323.35 mi (8,567.10 km) |
| Mission to Ciudad-Rodrigo | 5,152.11 mi (8,291.52 km) |
