| Sleaford to Busto Arsizio | 658.08 mi (1,059.08 km) |
| Sleaford to Busto Garolfo | 662.67 mi (1,066.46 km) |
| Sleaford to Cabras | 996.13 mi (1,603.11 km) |
| Sleaford to Cadelbosco di Sopra | 755.73 mi (1,216.23 km) |
| Sleaford to Cadoneghe | 761.11 mi (1,224.89 km) |
| Sleaford to Cagli | 884.34 mi (1,423.21 km) |
| Sleaford to Cagliari | 1,052.88 mi (1,694.45 km) |
| Sleaford to Cairo Montenotte | 712.61 mi (1,146.84 km) |
| Sleaford to Caivano | 1,079.15 mi (1,736.72 km) |
| Sleaford to Calcinaia | 816.99 mi (1,314.82 km) |
| Sleaford to Calcinato | 712.61 mi (1,146.83 km) |
| Sleaford to Calderara di Reno | 786.70 mi (1,266.07 km) |
| Sleaford to Caldogno | 739.17 mi (1,189.58 km) |
| Sleaford to Calenzano | 822.36 mi (1,323.47 km) |
| Sleaford to Calolziocorte | 664.56 mi (1,069.51 km) |
