| Sleaford to Casamassima | 1,160.41 mi (1,867.51 km) |
| Sleaford to Casandrino | 1,078.62 mi (1,735.87 km) |
| Sleaford to Casapulla | 1,072.02 mi (1,725.26 km) |
| Sleaford to Casarano | 1,251.71 mi (2,014.44 km) |
| Sleaford to Casatenovo | 666.54 mi (1,072.69 km) |
| Sleaford to Casciana Terme | 825.95 mi (1,329.24 km) |
| Sleaford to Cascina | 815.12 mi (1,311.81 km) |
| Sleaford to Caselle Torinese | 650.90 mi (1,047.51 km) |
| Sleaford to Caserta | 1,073.51 mi (1,727.65 km) |
| Sleaford to Casier | 763.12 mi (1,228.12 km) |
| Sleaford to Casorate Primo | 679.33 mi (1,093.27 km) |
| Sleaford to Casoria | 1,081.99 mi (1,741.30 km) |
| Sleaford to Cassano al Ionio | 1,206.04 mi (1,940.94 km) |
| Sleaford to Cassano d'Adda | 681.61 mi (1,096.94 km) |
| Sleaford to Cassano delle Murge | 1,159.20 mi (1,865.54 km) |
