| Diekirch to Cortona | 532.72 mi (857.33 km) |
| Diekirch to Cosenza | 881.37 mi (1,418.43 km) |
| Diekirch to Cossato | 311.51 mi (501.32 km) |
| Diekirch to Costa Volpino | 333.42 mi (536.58 km) |
| Diekirch to Creazzo | 388.45 mi (625.15 km) |
| Diekirch to Crema | 351.63 mi (565.89 km) |
| Diekirch to Cremona | 373.73 mi (601.46 km) |
| Diekirch to Crevalcore | 425.74 mi (685.16 km) |
| Diekirch to Crispiano | 835.17 mi (1,344.07 km) |
| Diekirch to Crosia | 880.16 mi (1,416.48 km) |
| Diekirch to Crotone | 918.38 mi (1,478.00 km) |
| Diekirch to Cuneo | 384.56 mi (618.89 km) |
| Diekirch to Cuorgne | 317.12 mi (510.36 km) |
| Diekirch to Cusano Milanino | 329.80 mi (530.76 km) |
| Diekirch to Cutro | 917.53 mi (1,476.62 km) |
