| Sofia to Cervello | 1,097.25 mi (1,765.85 km) |
| Sofia to Cervera | 1,128.43 mi (1,816.04 km) |
| Sofia to Ceuti | 1,328.31 mi (2,137.71 km) |
| Sofia to Cheste | 1,265.71 mi (2,036.96 km) |
| Sofia to Chiclana de la Frontera | 1,620.09 mi (2,607.28 km) |
| Sofia to Chipiona | 1,625.42 mi (2,615.86 km) |
| Sofia to Chiva | 1,267.68 mi (2,040.13 km) |
| Sofia to Churriana de la Vega | 1,473.12 mi (2,370.75 km) |
| Sofia to Ciempozuelos | 1,400.99 mi (2,254.68 km) |
| Sofia to Cieza | 1,331.68 mi (2,143.13 km) |
| Sofia to Cisterniga | 1,430.17 mi (2,301.63 km) |
| Sofia to Ciudad de Melilla | 1,493.92 mi (2,404.24 km) |
| Sofia to Ciudad Real | 1,440.65 mi (2,318.50 km) |
| Sofia to Ciudad-Rodrigo | 1,540.87 mi (2,479.80 km) |
| Sofia to Cocentaina | 1,269.85 mi (2,043.62 km) |
