| Sleaford to Granada | 1,103.64 mi (1,776.13 km) |
| Sleaford to Granadilla de Abona | 1,907.05 mi (3,069.10 km) |
| Sleaford to Granollers | 796.78 mi (1,282.30 km) |
| Sleaford to Grinon | 897.64 mi (1,444.61 km) |
| Sleaford to Guadalajara | 863.86 mi (1,390.24 km) |
| Sleaford to Guadarrama | 868.70 mi (1,398.03 km) |
| Sleaford to Guadix | 1,092.36 mi (1,757.98 km) |
| Sleaford to Guardamar del Segura | 1,029.99 mi (1,657.61 km) |
| Sleaford to Guernica y Luno | 676.70 mi (1,089.05 km) |
| Sleaford to Guia de Isora | 1,905.31 mi (3,066.30 km) |
| Sleaford to Guillena | 1,102.12 mi (1,773.69 km) |
| Sleaford to Guimar | 1,890.46 mi (3,042.40 km) |
| Sleaford to Hellin | 1,002.25 mi (1,612.97 km) |
| Sleaford to Herencia | 951.93 mi (1,531.98 km) |
| Sleaford to Hernani | 675.99 mi (1,087.91 km) |
