| Alton to Granada | 973.91 mi (1,567.35 km) |
| Alton to Granadilla de Abona | 1,786.58 mi (2,875.22 km) |
| Alton to Granollers | 677.20 mi (1,089.85 km) |
| Alton to Grinon | 767.87 mi (1,235.77 km) |
| Alton to Guadalajara | 734.10 mi (1,181.42 km) |
| Alton to Guadarrama | 739.01 mi (1,189.32 km) |
| Alton to Guadix | 962.75 mi (1,549.40 km) |
| Alton to Guardamar del Segura | 902.50 mi (1,452.44 km) |
| Alton to Guernica y Luno | 546.95 mi (880.23 km) |
| Alton to Guia de Isora | 1,785.21 mi (2,873.01 km) |
| Alton to Guillena | 973.03 mi (1,565.95 km) |
| Alton to Guimar | 1,769.86 mi (2,848.32 km) |
| Alton to Hellin | 873.54 mi (1,405.82 km) |
| Alton to Herencia | 822.18 mi (1,323.17 km) |
| Alton to Hernani | 546.63 mi (879.72 km) |
