| Diyadin to Collegno | 1,867.81 mi (3,005.95 km) |
| Diyadin to Cologno al Serio | 1,764.60 mi (2,839.84 km) |
| Diyadin to Cologno Monzese | 1,784.91 mi (2,872.53 km) |
| Diyadin to Colorno | 1,730.54 mi (2,785.03 km) |
| Diyadin to Comacchio | 1,642.04 mi (2,642.61 km) |
| Diyadin to Comiso | 1,581.03 mi (2,544.42 km) |
| Diyadin to Como | 1,794.62 mi (2,888.16 km) |
| Diyadin to Concordia Sagittaria | 1,613.38 mi (2,596.49 km) |
| Diyadin to Concorezzo | 1,782.21 mi (2,868.19 km) |
| Diyadin to Conegliano | 1,640.53 mi (2,640.19 km) |
| Diyadin to Conselice | 1,659.01 mi (2,669.93 km) |
| Diyadin to Conselve | 1,658.74 mi (2,669.48 km) |
| Diyadin to Conversano | 1,398.65 mi (2,250.90 km) |
| Diyadin to Copertino | 1,354.52 mi (2,179.89 km) |
| Diyadin to Copparo | 1,659.56 mi (2,670.81 km) |
