| Gloucester to Caltagirone | 1,298.15 mi (2,089.18 km) |
| Gloucester to Caltanissetta | 1,269.96 mi (2,043.80 km) |
| Gloucester to Calvisano | 728.72 mi (1,172.76 km) |
| Gloucester to Calvizzano | 1,084.77 mi (1,745.77 km) |
| Gloucester to Camaiore | 796.68 mi (1,282.13 km) |
| Gloucester to Cameri | 662.34 mi (1,065.94 km) |
| Gloucester to Camisano Vicentino | 771.15 mi (1,241.05 km) |
| Gloucester to Campagna | 1,128.20 mi (1,815.66 km) |
| Gloucester to Campagnano di Roma | 959.54 mi (1,544.23 km) |
| Gloucester to Campi Bisenzio | 830.76 mi (1,336.98 km) |
| Gloucester to Campi Salentina | 1,245.04 mi (2,003.70 km) |
| Gloucester to Campiglia Marittima | 852.24 mi (1,371.55 km) |
| Gloucester to Campobasso | 1,066.75 mi (1,716.77 km) |
| Gloucester to Campobello di Licata | 1,279.50 mi (2,059.16 km) |
| Gloucester to Campobello di Mazara | 1,222.96 mi (1,968.16 km) |
