| Barrhead to Granada | 1,287.24 mi (2,071.62 km) |
| Barrhead to Granadilla de Abona | 2,006.02 mi (3,228.38 km) |
| Barrhead to Granollers | 1,025.65 mi (1,650.62 km) |
| Barrhead to Grinon | 1,077.05 mi (1,733.35 km) |
| Barrhead to Guadalajara | 1,049.42 mi (1,688.89 km) |
| Barrhead to Guadarrama | 1,045.35 mi (1,682.32 km) |
| Barrhead to Guadix | 1,279.63 mi (2,059.37 km) |
| Barrhead to Guardamar del Segura | 1,235.89 mi (1,988.98 km) |
| Barrhead to Guernica y Luno | 865.96 mi (1,393.63 km) |
| Barrhead to Guia de Isora | 2,002.64 mi (3,222.94 km) |
| Barrhead to Guillena | 1,264.54 mi (2,035.08 km) |
| Barrhead to Guimar | 1,990.16 mi (3,202.86 km) |
| Barrhead to Hellin | 1,200.74 mi (1,932.41 km) |
| Barrhead to Herencia | 1,136.48 mi (1,828.98 km) |
| Barrhead to Hernani | 872.68 mi (1,404.45 km) |
