| Sleaford to Cuenca | 897.07 mi (1,443.69 km) |
| Sleaford to Cuevas del Almanzora | 1,086.74 mi (1,748.94 km) |
| Sleaford to Cullera | 955.74 mi (1,538.11 km) |
| Sleaford to Culleredo | 763.85 mi (1,229.30 km) |
| Sleaford to Cunit | 820.77 mi (1,320.90 km) |
| Sleaford to Daganzo de Arriba | 872.17 mi (1,403.62 km) |
| Sleaford to Daimiel | 973.22 mi (1,566.25 km) |
| Sleaford to Don Benito | 1,004.10 mi (1,615.94 km) |
| Sleaford to Donostia | 672.39 mi (1,082.11 km) |
| Sleaford to Dos Hermanas | 1,117.50 mi (1,798.45 km) |
| Sleaford to Durango | 686.57 mi (1,104.92 km) |
| Sleaford to Ecija | 1,091.65 mi (1,756.84 km) |
| Sleaford to Ejea de los Caballeros | 751.57 mi (1,209.54 km) |
| Sleaford to El Alamo | 897.94 mi (1,445.09 km) |
| Sleaford to El Arahal | 1,114.54 mi (1,793.68 km) |
