| Gagnef to Carmona | 1,835.71 mi (2,954.28 km) |
| Gagnef to Cartagena | 1,736.60 mi (2,794.79 km) |
| Gagnef to Cartama | 1,863.23 mi (2,998.58 km) |
| Gagnef to Cartaya | 1,880.42 mi (3,026.25 km) |
| Gagnef to Caspe | 1,483.09 mi (2,386.80 km) |
| Gagnef to Cassa de la Selva | 1,391.19 mi (2,238.90 km) |
| Gagnef to Castalla | 1,665.96 mi (2,681.11 km) |
| Gagnef to Castellbisbal | 1,432.49 mi (2,305.36 km) |
| Gagnef to Castelldefels | 1,445.48 mi (2,326.28 km) |
| Gagnef to Castello de Ampurias | 1,363.78 mi (2,194.79 km) |
| Gagnef to Castellon de la Plana | 1,564.29 mi (2,517.48 km) |
| Gagnef to Castilleja de la Cuesta | 1,849.94 mi (2,977.19 km) |
| Gagnef to Catarroja | 1,608.66 mi (2,588.89 km) |
| Gagnef to Catral | 1,696.90 mi (2,730.90 km) |
| Gagnef to Caudete | 1,664.58 mi (2,678.89 km) |
