| Glenmont to Collegno | 4,156.19 mi (6,688.75 km) |
| Glenmont to Cologno al Serio | 4,231.84 mi (6,810.49 km) |
| Glenmont to Cologno Monzese | 4,215.55 mi (6,784.27 km) |
| Glenmont to Colorno | 4,282.35 mi (6,891.78 km) |
| Glenmont to Comacchio | 4,367.30 mi (7,028.48 km) |
| Glenmont to Comiso | 4,756.12 mi (7,654.24 km) |
| Glenmont to Como | 4,198.32 mi (6,756.55 km) |
| Glenmont to Concordia Sagittaria | 4,359.21 mi (7,015.46 km) |
| Glenmont to Concorezzo | 4,216.06 mi (6,785.09 km) |
| Glenmont to Conegliano | 4,331.94 mi (6,971.59 km) |
| Glenmont to Conselice | 4,358.56 mi (7,014.42 km) |
| Glenmont to Conselve | 4,335.73 mi (6,977.69 km) |
| Glenmont to Conversano | 4,715.21 mi (7,588.39 km) |
| Glenmont to Copertino | 4,782.80 mi (7,697.17 km) |
| Glenmont to Copparo | 4,345.56 mi (6,993.50 km) |
