| Flensburg to Cologno al Serio | 635.67 mi (1,023.01 km) |
| Flensburg to Cologno Monzese | 639.38 mi (1,028.98 km) |
| Flensburg to Colorno | 681.76 mi (1,097.19 km) |
| Flensburg to Comacchio | 707.16 mi (1,138.07 km) |
| Flensburg to Comiso | 1,256.02 mi (2,021.36 km) |
| Flensburg to Como | 620.07 mi (997.90 km) |
| Flensburg to Concordia Sagittaria | 640.67 mi (1,031.06 km) |
| Flensburg to Concorezzo | 635.13 mi (1,022.15 km) |
| Flensburg to Conegliano | 627.27 mi (1,009.49 km) |
| Flensburg to Conselice | 717.20 mi (1,154.23 km) |
| Flensburg to Conselve | 668.40 mi (1,075.69 km) |
| Flensburg to Conversano | 1,017.27 mi (1,637.15 km) |
| Flensburg to Copertino | 1,078.51 mi (1,735.69 km) |
| Flensburg to Copparo | 690.97 mi (1,112.00 km) |
| Flensburg to Corato | 994.25 mi (1,600.08 km) |
