| Sleaford to Cadiz | 1,172.42 mi (1,886.83 km) |
| Sleaford to Calafell | 820.23 mi (1,320.03 km) |
| Sleaford to Calahorra | 742.50 mi (1,194.95 km) |
| Sleaford to Calasparra | 1,022.04 mi (1,644.82 km) |
| Sleaford to Calatayud | 806.67 mi (1,298.21 km) |
| Sleaford to Caldas de Montbuy | 794.23 mi (1,278.20 km) |
| Sleaford to Caldas de Reyes | 812.04 mi (1,306.85 km) |
| Sleaford to Calella | 799.13 mi (1,286.08 km) |
| Sleaford to Callosa de Segura | 1,027.90 mi (1,654.25 km) |
| Sleaford to Calpe | 991.80 mi (1,596.14 km) |
| Sleaford to Calvia | 938.15 mi (1,509.81 km) |
| Sleaford to Camas | 1,110.79 mi (1,787.64 km) |
| Sleaford to Cambados | 821.96 mi (1,322.82 km) |
| Sleaford to Cambre | 762.95 mi (1,227.85 km) |
| Sleaford to Cambrils | 827.07 mi (1,331.04 km) |
