| South Houston to Caltagirone | 5,957.80 mi (9,588.15 km) |
| South Houston to Caltanissetta | 5,927.53 mi (9,539.45 km) |
| South Houston to Calvisano | 5,469.36 mi (8,802.08 km) |
| South Houston to Calvizzano | 5,799.11 mi (9,332.77 km) |
| South Houston to Camaiore | 5,518.75 mi (8,881.57 km) |
| South Houston to Cameri | 5,393.48 mi (8,679.97 km) |
| South Houston to Camisano Vicentino | 5,519.61 mi (8,882.95 km) |
| South Houston to Campagna | 5,847.70 mi (9,410.96 km) |
| South Houston to Campagnano di Roma | 5,674.30 mi (9,131.91 km) |
| South Houston to Campi Bisenzio | 5,558.21 mi (8,945.08 km) |
| South Houston to Campi Salentina | 5,982.46 mi (9,627.85 km) |
| South Houston to Campiglia Marittima | 5,563.86 mi (8,954.17 km) |
| South Houston to Campobasso | 5,793.62 mi (9,323.93 km) |
| South Houston to Campobello di Licata | 5,930.39 mi (9,544.03 km) |
| South Houston to Campobello di Mazara | 5,862.58 mi (9,434.91 km) |
