| Glastonbury to Cocentaina | 864.07 mi (1,390.58 km) |
| Glastonbury to Coin | 1,005.61 mi (1,618.38 km) |
| Glastonbury to Colindres | 536.69 mi (863.73 km) |
| Glastonbury to Collado-Villalba | 729.16 mi (1,173.47 km) |
| Glastonbury to Colmenar Viejo | 726.50 mi (1,169.19 km) |
| Glastonbury to Colmenarejo | 734.19 mi (1,181.56 km) |
| Glastonbury to Conil de la Frontera | 1,041.62 mi (1,676.33 km) |
| Glastonbury to Consuegra | 808.61 mi (1,301.34 km) |
| Glastonbury to Corbera de Llobregat | 707.66 mi (1,138.88 km) |
| Glastonbury to Cordoba | 921.99 mi (1,483.80 km) |
| Glastonbury to Coria del Rio | 971.87 mi (1,564.07 km) |
| Glastonbury to Crevillente | 896.11 mi (1,442.15 km) |
| Glastonbury to Cuarte de Huerva | 666.37 mi (1,072.42 km) |
| Glastonbury to Cubellas | 717.71 mi (1,155.05 km) |
| Glastonbury to Cuellar | 677.77 mi (1,090.76 km) |
