| Duncan to Granada | 5,040.44 mi (8,111.81 km) |
| Duncan to Granadilla de Abona | 4,689.74 mi (7,547.41 km) |
| Duncan to Granollers | 5,147.09 mi (8,283.44 km) |
| Duncan to Grinon | 4,922.91 mi (7,922.66 km) |
| Duncan to Guadalajara | 4,939.65 mi (7,949.61 km) |
| Duncan to Guadarrama | 4,896.39 mi (7,879.98 km) |
| Duncan to Guadix | 5,058.19 mi (8,140.37 km) |
| Duncan to Guardamar del Segura | 5,145.25 mi (8,280.48 km) |
| Duncan to Guernica y Luno | 4,869.91 mi (7,837.36 km) |
| Duncan to Guia de Isora | 4,676.19 mi (7,525.60 km) |
| Duncan to Guillena | 4,911.80 mi (7,904.78 km) |
| Duncan to Guimar | 4,692.49 mi (7,551.83 km) |
| Duncan to Hellin | 5,082.31 mi (8,179.19 km) |
| Duncan to Herencia | 4,975.07 mi (8,006.59 km) |
| Duncan to Hernani | 4,902.19 mi (7,889.32 km) |
