| Hadamar to Cologno al Serio | 344.77 mi (554.86 km) |
| Hadamar to Cologno Monzese | 344.73 mi (554.79 km) |
| Hadamar to Colorno | 396.26 mi (637.72 km) |
| Hadamar to Comacchio | 441.37 mi (710.31 km) |
| Hadamar to Comiso | 987.51 mi (1,589.24 km) |
| Hadamar to Como | 324.10 mi (521.60 km) |
| Hadamar to Concordia Sagittaria | 391.92 mi (630.74 km) |
| Hadamar to Concorezzo | 341.02 mi (548.81 km) |
| Hadamar to Conegliano | 370.96 mi (597.00 km) |
| Hadamar to Conselice | 446.24 mi (718.16 km) |
| Hadamar to Conselve | 401.42 mi (646.02 km) |
| Hadamar to Conversano | 786.56 mi (1,265.84 km) |
| Hadamar to Copertino | 853.18 mi (1,373.07 km) |
| Hadamar to Copparo | 421.79 mi (678.81 km) |
| Hadamar to Corato | 756.99 mi (1,218.26 km) |
