| Grudziadz to Cartagena | 1,445.13 mi (2,325.71 km) |
| Grudziadz to Cartama | 1,611.76 mi (2,593.88 km) |
| Grudziadz to Cartaya | 1,666.40 mi (2,681.82 km) |
| Grudziadz to Caspe | 1,213.66 mi (1,953.19 km) |
| Grudziadz to Cassa de la Selva | 1,085.00 mi (1,746.13 km) |
| Grudziadz to Castalla | 1,378.94 mi (2,219.19 km) |
| Grudziadz to Castellbisbal | 1,135.52 mi (1,827.45 km) |
| Grudziadz to Castelldefels | 1,146.53 mi (1,845.16 km) |
| Grudziadz to Castello de Ampurias | 1,058.48 mi (1,703.46 km) |
| Grudziadz to Castellon de la Plana | 1,281.52 mi (2,062.40 km) |
| Grudziadz to Castilleja de la Cuesta | 1,622.89 mi (2,611.80 km) |
| Grudziadz to Catarroja | 1,325.46 mi (2,133.11 km) |
| Grudziadz to Catral | 1,407.83 mi (2,265.68 km) |
| Grudziadz to Caudete | 1,382.89 mi (2,225.55 km) |
| Grudziadz to Cehegin | 1,442.89 mi (2,322.10 km) |
