| Keystone to Caltagirone | 5,427.82 mi (8,735.23 km) |
| Keystone to Caltanissetta | 5,397.90 mi (8,687.08 km) |
| Keystone to Calvisano | 4,997.37 mi (8,042.49 km) |
| Keystone to Calvizzano | 5,299.76 mi (8,529.14 km) |
| Keystone to Camaiore | 5,032.92 mi (8,099.70 km) |
| Keystone to Cameri | 4,917.17 mi (7,913.42 km) |
| Keystone to Camisano Vicentino | 5,054.13 mi (8,133.83 km) |
| Keystone to Campagna | 5,349.91 mi (8,609.85 km) |
| Keystone to Campagnano di Roma | 5,179.22 mi (8,335.15 km) |
| Keystone to Campi Bisenzio | 5,074.26 mi (8,166.23 km) |
| Keystone to Campi Salentina | 5,494.45 mi (8,842.47 km) |
| Keystone to Campiglia Marittima | 5,070.95 mi (8,160.91 km) |
| Keystone to Campobasso | 5,302.20 mi (8,533.07 km) |
| Keystone to Campobello di Licata | 5,398.13 mi (8,687.45 km) |
| Keystone to Campobello di Mazara | 5,329.00 mi (8,576.20 km) |
