| Sleaford to Carmignano | 820.82 mi (1,320.98 km) |
| Sleaford to Carovigno | 1,198.37 mi (1,928.59 km) |
| Sleaford to Carpenedolo | 718.12 mi (1,155.71 km) |
| Sleaford to Carpi | 763.31 mi (1,228.42 km) |
| Sleaford to Carrara | 779.91 mi (1,255.14 km) |
| Sleaford to Carugate | 675.34 mi (1,086.85 km) |
| Sleaford to Casal di Principe | 1,070.42 mi (1,722.68 km) |
| Sleaford to Casale Monferrato | 674.46 mi (1,085.45 km) |
| Sleaford to Casale sul Sile | 766.73 mi (1,233.93 km) |
| Sleaford to Casalecchio di Reno | 791.75 mi (1,274.19 km) |
| Sleaford to Casalgrande | 769.79 mi (1,238.85 km) |
| Sleaford to Casalmaggiore | 738.20 mi (1,188.01 km) |
| Sleaford to Casalnuovo di Napoli | 1,082.52 mi (1,742.15 km) |
| Sleaford to Casalpusterlengo | 705.15 mi (1,134.83 km) |
| Sleaford to Casaluce | 1,073.34 mi (1,727.38 km) |
