| Sleaford to Cervignano del Friuli | 789.94 mi (1,271.28 km) |
| Sleaford to Cesa | 1,076.22 mi (1,732.02 km) |
| Sleaford to Cesano Maderno | 665.44 mi (1,070.92 km) |
| Sleaford to Cesena | 839.89 mi (1,351.67 km) |
| Sleaford to Cesenatico | 841.29 mi (1,353.92 km) |
| Sleaford to Cetraro | 1,210.99 mi (1,948.91 km) |
| Sleaford to Cherasco | 687.76 mi (1,106.84 km) |
| Sleaford to Chiampo | 734.96 mi (1,182.80 km) |
| Sleaford to Chiaravalle | 902.96 mi (1,453.18 km) |
| Sleaford to Chiari | 693.21 mi (1,115.61 km) |
| Sleaford to Chiavari | 745.24 mi (1,199.34 km) |
| Sleaford to Chieri | 665.01 mi (1,070.22 km) |
| Sleaford to Chieti | 996.84 mi (1,604.26 km) |
| Sleaford to Chioggia | 784.18 mi (1,262.02 km) |
| Sleaford to Chiusi | 892.99 mi (1,437.14 km) |
