| West Columbia to Collegno | 4,548.16 mi (7,319.55 km) |
| West Columbia to Cologno al Serio | 4,626.78 mi (7,446.08 km) |
| West Columbia to Cologno Monzese | 4,610.01 mi (7,419.10 km) |
| West Columbia to Colorno | 4,676.35 mi (7,525.87 km) |
| West Columbia to Comacchio | 4,762.31 mi (7,664.19 km) |
| West Columbia to Comiso | 5,134.67 mi (8,263.46 km) |
| West Columbia to Como | 4,593.28 mi (7,392.18 km) |
| West Columbia to Concordia Sagittaria | 4,757.05 mi (7,655.73 km) |
| West Columbia to Concorezzo | 4,610.71 mi (7,420.22 km) |
| West Columbia to Conegliano | 4,729.60 mi (7,611.56 km) |
| West Columbia to Conselice | 4,752.86 mi (7,648.99 km) |
| West Columbia to Conselve | 4,731.65 mi (7,614.86 km) |
| West Columbia to Conversano | 5,106.67 mi (8,218.40 km) |
| West Columbia to Copertino | 5,173.73 mi (8,326.31 km) |
| West Columbia to Copparo | 4,740.72 mi (7,629.45 km) |
