| Gourock to Caltagirone | 1,574.00 mi (2,533.11 km) |
| Gourock to Caltanissetta | 1,546.86 mi (2,489.43 km) |
| Gourock to Calvisano | 984.74 mi (1,584.78 km) |
| Gourock to Calvizzano | 1,347.50 mi (2,168.60 km) |
| Gourock to Camaiore | 1,063.66 mi (1,711.80 km) |
| Gourock to Cameri | 928.66 mi (1,494.53 km) |
| Gourock to Camisano Vicentino | 1,016.21 mi (1,635.43 km) |
| Gourock to Campagna | 1,387.37 mi (2,232.76 km) |
| Gourock to Campagnano di Roma | 1,225.31 mi (1,971.95 km) |
| Gourock to Campi Bisenzio | 1,093.48 mi (1,759.78 km) |
| Gourock to Campi Salentina | 1,490.37 mi (2,398.51 km) |
| Gourock to Campiglia Marittima | 1,122.60 mi (1,806.65 km) |
| Gourock to Campobasso | 1,323.27 mi (2,129.60 km) |
| Gourock to Campobello di Licata | 1,557.71 mi (2,506.89 km) |
| Gourock to Campobello di Mazara | 1,504.64 mi (2,421.48 km) |
