| Castro Valley to Caltagirone | 6,564.52 mi (10,564.57 km) |
| Castro Valley to Caltanissetta | 6,536.37 mi (10,519.26 km) |
| Castro Valley to Calvisano | 5,980.11 mi (9,624.05 km) |
| Castro Valley to Calvizzano | 6,342.95 mi (10,207.99 km) |
| Castro Valley to Camaiore | 6,058.11 mi (9,749.58 km) |
| Castro Valley to Cameri | 5,922.91 mi (9,532.01 km) |
| Castro Valley to Camisano Vicentino | 6,009.11 mi (9,670.73 km) |
| Castro Valley to Campagna | 6,382.52 mi (10,271.68 km) |
| Castro Valley to Campagnano di Roma | 6,220.35 mi (10,010.68 km) |
| Castro Valley to Campi Bisenzio | 6,088.78 mi (9,798.95 km) |
| Castro Valley to Campi Salentina | 6,478.42 mi (10,426.02 km) |
| Castro Valley to Campiglia Marittima | 6,116.00 mi (9,842.75 km) |
| Castro Valley to Campobasso | 6,318.01 mi (10,167.86 km) |
| Castro Valley to Campobello di Licata | 6,545.81 mi (10,534.47 km) |
| Castro Valley to Campobello di Mazara | 6,488.16 mi (10,441.69 km) |
