| Gretz-Armainvilliers to Coin | 915.64 mi (1,473.58 km) |
| Gretz-Armainvilliers to Colindres | 473.15 mi (761.47 km) |
| Gretz-Armainvilliers to Collado-Villalba | 650.18 mi (1,046.36 km) |
| Gretz-Armainvilliers to Colmenar Viejo | 642.67 mi (1,034.28 km) |
| Gretz-Armainvilliers to Colmenarejo | 654.81 mi (1,053.81 km) |
| Gretz-Armainvilliers to Conil de la Frontera | 970.36 mi (1,561.65 km) |
| Gretz-Armainvilliers to Consuegra | 713.54 mi (1,148.34 km) |
| Gretz-Armainvilliers to Corbera de Llobregat | 507.56 mi (816.84 km) |
| Gretz-Armainvilliers to Cordoba | 838.87 mi (1,350.03 km) |
| Gretz-Armainvilliers to Coria del Rio | 906.15 mi (1,458.32 km) |
| Gretz-Armainvilliers to Crevillente | 746.17 mi (1,200.85 km) |
| Gretz-Armainvilliers to Cuarte de Huerva | 525.40 mi (845.56 km) |
| Gretz-Armainvilliers to Cubellas | 522.91 mi (841.54 km) |
| Gretz-Armainvilliers to Cuellar | 612.17 mi (985.20 km) |
| Gretz-Armainvilliers to Cuenca | 645.67 mi (1,039.11 km) |
