| Sleaford to Caltagirone | 1,303.87 mi (2,098.37 km) |
| Sleaford to Caltanissetta | 1,276.73 mi (2,054.70 km) |
| Sleaford to Calvisano | 716.38 mi (1,152.91 km) |
| Sleaford to Calvizzano | 1,078.55 mi (1,735.76 km) |
| Sleaford to Camaiore | 793.83 mi (1,277.55 km) |
| Sleaford to Cameri | 658.74 mi (1,060.14 km) |
| Sleaford to Camisano Vicentino | 750.65 mi (1,208.05 km) |
| Sleaford to Campagna | 1,119.15 mi (1,801.10 km) |
| Sleaford to Campagnano di Roma | 955.78 mi (1,538.17 km) |
| Sleaford to Campi Bisenzio | 824.20 mi (1,326.41 km) |
| Sleaford to Campi Salentina | 1,226.04 mi (1,973.11 km) |
| Sleaford to Campiglia Marittima | 852.56 mi (1,372.07 km) |
| Sleaford to Campobasso | 1,055.54 mi (1,698.72 km) |
| Sleaford to Campobello di Licata | 1,287.61 mi (2,072.21 km) |
| Sleaford to Campobello di Mazara | 1,234.83 mi (1,987.27 km) |
