| Sleaford to Giovinazzo | 1,139.69 mi (1,834.16 km) |
| Sleaford to Giugliano in Campania | 1,077.09 mi (1,733.41 km) |
| Sleaford to Giulianova | 968.24 mi (1,558.23 km) |
| Sleaford to Giussano | 663.67 mi (1,068.07 km) |
| Sleaford to Goito | 731.48 mi (1,177.21 km) |
| Sleaford to Gonzaga | 752.24 mi (1,210.61 km) |
| Sleaford to Gorgonzola | 678.20 mi (1,091.46 km) |
| Sleaford to Gorizia | 794.56 mi (1,278.72 km) |
| Sleaford to Gragnano | 1,100.01 mi (1,770.29 km) |
| Sleaford to Grammichele | 1,308.52 mi (2,105.87 km) |
| Sleaford to Granarolo del l'Emilia | 793.20 mi (1,276.53 km) |
| Sleaford to Gravina in Puglia | 1,151.65 mi (1,853.39 km) |
| Sleaford to Grezzana | 728.22 mi (1,171.96 km) |
| Sleaford to Gricignano d'Aversa | 1,072.85 mi (1,726.59 km) |
| Sleaford to Grosseto | 883.23 mi (1,421.41 km) |
