| Greenock to Caltagirone | 1,572.43 mi (2,530.58 km) |
| Greenock to Caltanissetta | 1,545.30 mi (2,486.92 km) |
| Greenock to Calvisano | 983.05 mi (1,582.07 km) |
| Greenock to Calvizzano | 1,345.84 mi (2,165.92 km) |
| Greenock to Camaiore | 1,062.05 mi (1,709.20 km) |
| Greenock to Cameri | 927.05 mi (1,491.94 km) |
| Greenock to Camisano Vicentino | 1,014.46 mi (1,632.61 km) |
| Greenock to Campagna | 1,385.68 mi (2,230.04 km) |
| Greenock to Campagnano di Roma | 1,223.68 mi (1,969.32 km) |
| Greenock to Campi Bisenzio | 1,091.83 mi (1,757.12 km) |
| Greenock to Campi Salentina | 1,488.58 mi (2,395.65 km) |
| Greenock to Campiglia Marittima | 1,121.01 mi (1,804.09 km) |
| Greenock to Campobasso | 1,321.56 mi (2,126.85 km) |
| Greenock to Campobello di Licata | 1,556.17 mi (2,504.41 km) |
| Greenock to Campobello di Mazara | 1,503.13 mi (2,419.06 km) |
