| Sidmouth to Cortona | 878.74 mi (1,414.20 km) |
| Sidmouth to Cosenza | 1,228.35 mi (1,976.84 km) |
| Sidmouth to Cossato | 632.59 mi (1,018.06 km) |
| Sidmouth to Costa Volpino | 697.68 mi (1,122.80 km) |
| Sidmouth to Creazzo | 764.82 mi (1,230.85 km) |
| Sidmouth to Crema | 699.52 mi (1,125.77 km) |
| Sidmouth to Cremona | 722.80 mi (1,163.24 km) |
| Sidmouth to Crevalcore | 783.79 mi (1,261.39 km) |
| Sidmouth to Crispiano | 1,203.05 mi (1,936.12 km) |
| Sidmouth to Crosia | 1,234.47 mi (1,986.69 km) |
| Sidmouth to Crotone | 1,271.38 mi (2,046.09 km) |
| Sidmouth to Cuneo | 664.10 mi (1,068.76 km) |
| Sidmouth to Cuorgne | 620.83 mi (999.12 km) |
| Sidmouth to Cusano Milanino | 672.49 mi (1,082.27 km) |
| Sidmouth to Cutro | 1,268.87 mi (2,042.05 km) |
