| Gloucester to Campo de Criptana | 862.22 mi (1,387.61 km) |
| Gloucester to Campos del Puerto | 895.32 mi (1,440.88 km) |
| Gloucester to Canals | 895.09 mi (1,440.52 km) |
| Gloucester to Candelaria | 1,780.43 mi (2,865.32 km) |
| Gloucester to Canet de Mar | 745.30 mi (1,199.45 km) |
| Gloucester to Cangas | 730.48 mi (1,175.60 km) |
| Gloucester to Cangas de Narcea | 632.89 mi (1,018.54 km) |
| Gloucester to Canovellas | 739.33 mi (1,189.84 km) |
| Gloucester to Canteras | 986.46 mi (1,587.55 km) |
| Gloucester to Cantillana | 1,000.73 mi (1,610.53 km) |
| Gloucester to Capdepera | 883.20 mi (1,421.37 km) |
| Gloucester to Carballo | 668.10 mi (1,075.21 km) |
| Gloucester to Carcagente | 884.61 mi (1,423.65 km) |
| Gloucester to Cardedeu | 738.87 mi (1,189.09 km) |
| Gloucester to Carlet | 877.11 mi (1,411.57 km) |
