| Sidmouth to Collegno | 632.07 mi (1,017.22 km) |
| Sidmouth to Cologno al Serio | 691.43 mi (1,112.75 km) |
| Sidmouth to Cologno Monzese | 677.08 mi (1,089.65 km) |
| Sidmouth to Colorno | 744.77 mi (1,198.58 km) |
| Sidmouth to Comacchio | 825.44 mi (1,328.42 km) |
| Sidmouth to Comiso | 1,293.67 mi (2,081.96 km) |
| Sidmouth to Como | 658.18 mi (1,059.24 km) |
| Sidmouth to Concordia Sagittaria | 812.49 mi (1,307.57 km) |
| Sidmouth to Concorezzo | 676.85 mi (1,089.28 km) |
| Sidmouth to Conegliano | 785.36 mi (1,263.91 km) |
| Sidmouth to Conselice | 818.99 mi (1,318.03 km) |
| Sidmouth to Conselve | 791.76 mi (1,274.21 km) |
| Sidmouth to Conversano | 1,181.61 mi (1,901.61 km) |
| Sidmouth to Copertino | 1,250.33 mi (2,012.22 km) |
| Sidmouth to Copparo | 803.45 mi (1,293.03 km) |
