| Duchcov to Cologno al Serio | 393.81 mi (633.78 km) |
| Duchcov to Cologno Monzese | 406.68 mi (654.49 km) |
| Duchcov to Colorno | 421.67 mi (678.61 km) |
| Duchcov to Comacchio | 414.33 mi (666.80 km) |
| Duchcov to Comiso | 944.34 mi (1,519.76 km) |
| Duchcov to Como | 394.47 mi (634.83 km) |
| Duchcov to Concordia Sagittaria | 336.75 mi (541.95 km) |
| Duchcov to Concorezzo | 401.64 mi (646.37 km) |
| Duchcov to Conegliano | 332.65 mi (535.35 km) |
| Duchcov to Conselice | 429.90 mi (691.86 km) |
| Duchcov to Conselve | 381.11 mi (613.34 km) |
| Duchcov to Conversano | 685.19 mi (1,102.71 km) |
| Duchcov to Copertino | 743.75 mi (1,196.95 km) |
| Duchcov to Copparo | 403.96 mi (650.11 km) |
| Duchcov to Corato | 665.44 mi (1,070.92 km) |
