| Sulphur to Cividale del Friuli | 5,462.84 mi (8,791.60 km) |
| Sulphur to Civita Castellana | 5,561.61 mi (8,950.54 km) |
| Sulphur to Civitanova Marche | 5,580.31 mi (8,980.65 km) |
| Sulphur to Civitavecchia | 5,542.48 mi (8,919.77 km) |
| Sulphur to Civitella in Val di Chiana | 5,490.60 mi (8,836.27 km) |
| Sulphur to Clusone | 5,328.09 mi (8,574.73 km) |
| Sulphur to Coccaglio | 5,340.47 mi (8,594.65 km) |
| Sulphur to Codigoro | 5,455.64 mi (8,780.00 km) |
| Sulphur to Codogno | 5,343.14 mi (8,598.95 km) |
| Sulphur to Codroipo | 5,449.56 mi (8,770.22 km) |
| Sulphur to Cogoleto | 5,324.94 mi (8,569.67 km) |
| Sulphur to Colle di Val d'Elsa | 5,466.31 mi (8,797.18 km) |
| Sulphur to Colle Salvetti | 5,431.30 mi (8,740.84 km) |
| Sulphur to Collecchio | 5,379.09 mi (8,656.81 km) |
| Sulphur to Colleferro | 5,608.84 mi (9,026.55 km) |
