| Glenmont to Cocentaina | 3,984.95 mi (6,413.15 km) |
| Glenmont to Coin | 3,837.88 mi (6,176.46 km) |
| Glenmont to Colindres | 3,708.83 mi (5,968.79 km) |
| Glenmont to Collado-Villalba | 3,757.70 mi (6,047.43 km) |
| Glenmont to Colmenar Viejo | 3,768.59 mi (6,064.95 km) |
| Glenmont to Colmenarejo | 3,759.33 mi (6,050.05 km) |
| Glenmont to Conil de la Frontera | 3,783.53 mi (6,089.01 km) |
| Glenmont to Consuegra | 3,810.58 mi (6,132.53 km) |
| Glenmont to Corbera de Llobregat | 4,015.18 mi (6,461.81 km) |
| Glenmont to Cordoba | 3,799.72 mi (6,115.05 km) |
| Glenmont to Coria del Rio | 3,754.73 mi (6,042.65 km) |
| Glenmont to Crevillente | 3,982.58 mi (6,409.34 km) |
| Glenmont to Cuarte de Huerva | 3,877.19 mi (6,239.73 km) |
| Glenmont to Cubellas | 4,009.48 mi (6,452.63 km) |
| Glenmont to Cuellar | 3,721.81 mi (5,989.68 km) |
