| Diepholz to Cologno al Serio | 488.99 mi (786.96 km) |
| Diepholz to Cologno Monzese | 490.79 mi (789.86 km) |
| Diepholz to Colorno | 538.02 mi (865.85 km) |
| Diepholz to Comacchio | 573.16 mi (922.42 km) |
| Diepholz to Comiso | 1,123.07 mi (1,807.40 km) |
| Diepholz to Como | 470.72 mi (757.55 km) |
| Diepholz to Concordia Sagittaria | 513.84 mi (826.95 km) |
| Diepholz to Concorezzo | 486.81 mi (783.45 km) |
| Diepholz to Conegliano | 496.77 mi (799.47 km) |
| Diepholz to Conselice | 580.81 mi (934.72 km) |
| Diepholz to Conselve | 533.47 mi (858.53 km) |
| Diepholz to Conversano | 902.93 mi (1,453.12 km) |
| Diepholz to Copertino | 967.26 mi (1,556.65 km) |
| Diepholz to Copparo | 555.21 mi (893.52 km) |
| Diepholz to Corato | 876.47 mi (1,410.54 km) |
