| Sofia to Cogolin | 848.69 mi (1,365.83 km) |
| Sofia to Colmar | 857.48 mi (1,379.99 km) |
| Sofia to Colombes | 1,097.77 mi (1,766.68 km) |
| Sofia to Colomiers | 1,107.07 mi (1,781.65 km) |
| Sofia to Combs-la-Ville | 1,079.73 mi (1,737.65 km) |
| Sofia to Comines | 1,106.63 mi (1,780.94 km) |
| Sofia to Compiegne | 1,082.57 mi (1,742.22 km) |
| Sofia to Concarneau | 1,364.08 mi (2,195.28 km) |
| Sofia to Conde-sur-l'Escaut | 1,074.81 mi (1,729.73 km) |
| Sofia to Conflans-Sainte-Honorine | 1,105.87 mi (1,779.72 km) |
| Sofia to Corbas | 933.55 mi (1,502.40 km) |
| Sofia to Corbeil-Essonnes | 1,082.20 mi (1,741.64 km) |
| Sofia to Cormeilles-en-Parisis | 1,100.90 mi (1,771.73 km) |
| Sofia to Cosne sur Loire | 1,044.19 mi (1,680.46 km) |
| Sofia to Coudekerque-Branche | 1,138.39 mi (1,832.06 km) |
