| Frondenberg to Cologno al Serio | 416.34 mi (670.03 km) |
| Frondenberg to Cologno Monzese | 416.41 mi (670.15 km) |
| Frondenberg to Colorno | 467.50 mi (752.36 km) |
| Frondenberg to Comacchio | 510.15 mi (821.01 km) |
| Frondenberg to Comiso | 1,057.77 mi (1,702.31 km) |
| Frondenberg to Como | 395.78 mi (636.94 km) |
| Frondenberg to Concordia Sagittaria | 457.25 mi (735.87 km) |
| Frondenberg to Concorezzo | 412.69 mi (664.17 km) |
| Frondenberg to Conegliano | 437.58 mi (704.21 km) |
| Frondenberg to Conselice | 515.84 mi (830.17 km) |
| Frondenberg to Conselve | 470.19 mi (756.70 km) |
| Frondenberg to Conversano | 850.91 mi (1,369.41 km) |
| Frondenberg to Copertino | 916.83 mi (1,475.49 km) |
| Frondenberg to Copparo | 491.02 mi (790.22 km) |
| Frondenberg to Corato | 822.36 mi (1,323.47 km) |
