| Horndean to Collegno | 564.58 mi (908.61 km) |
| Horndean to Cologno al Serio | 613.67 mi (987.61 km) |
| Horndean to Cologno Monzese | 600.85 mi (966.97 km) |
| Horndean to Colorno | 668.32 mi (1,075.56 km) |
| Horndean to Comacchio | 745.49 mi (1,199.74 km) |
| Horndean to Comiso | 1,232.86 mi (1,984.10 km) |
| Horndean to Como | 581.01 mi (935.04 km) |
| Horndean to Concordia Sagittaria | 726.94 mi (1,169.89 km) |
| Horndean to Concorezzo | 600.12 mi (965.80 km) |
| Horndean to Conegliano | 700.30 mi (1,127.02 km) |
| Horndean to Conselice | 740.62 mi (1,191.92 km) |
| Horndean to Conselve | 710.27 mi (1,143.07 km) |
| Horndean to Conversano | 1,103.84 mi (1,776.46 km) |
| Horndean to Copertino | 1,172.65 mi (1,887.20 km) |
| Horndean to Copparo | 723.46 mi (1,164.29 km) |
