| Gloucester to Corato | 1,149.15 mi (1,849.37 km) |
| Gloucester to Corbetta | 673.07 mi (1,083.20 km) |
| Gloucester to Corciano | 904.65 mi (1,455.90 km) |
| Gloucester to Cordenons | 788.63 mi (1,269.17 km) |
| Gloucester to Cori | 1,002.91 mi (1,614.03 km) |
| Gloucester to Coriano | 874.84 mi (1,407.92 km) |
| Gloucester to Corigliano Calabro | 1,232.87 mi (1,984.11 km) |
| Gloucester to Corleone | 1,228.29 mi (1,976.74 km) |
| Gloucester to Cormano | 677.64 mi (1,090.56 km) |
| Gloucester to Cornaredo | 675.45 mi (1,087.03 km) |
| Gloucester to Cornate d'Adda | 683.37 mi (1,099.77 km) |
| Gloucester to Cornedo Vicentino | 753.10 mi (1,211.99 km) |
| Gloucester to Correggio | 771.65 mi (1,241.85 km) |
| Gloucester to Corridonia | 942.24 mi (1,516.39 km) |
| Gloucester to Corsico | 681.56 mi (1,096.87 km) |
