| Barrhead to Grottaferrata | 1,234.12 mi (1,986.12 km) |
| Barrhead to Grottaglie | 1,445.27 mi (2,325.94 km) |
| Barrhead to Grottammare | 1,199.92 mi (1,931.09 km) |
| Barrhead to Grugliasco | 906.81 mi (1,459.38 km) |
| Barrhead to Grumo Appula | 1,395.73 mi (2,246.21 km) |
| Barrhead to Grumo Nevano | 1,328.59 mi (2,138.16 km) |
| Barrhead to Gualdo Tadino | 1,154.38 mi (1,857.80 km) |
| Barrhead to Guardiagrele | 1,254.67 mi (2,019.19 km) |
| Barrhead to Guastalla | 998.68 mi (1,607.22 km) |
| Barrhead to Gubbio | 1,141.51 mi (1,837.09 km) |
| Barrhead to Guspini | 1,272.08 mi (2,047.22 km) |
| Barrhead to Gussago | 945.74 mi (1,522.02 km) |
| Barrhead to Iesi | 1,151.53 mi (1,853.20 km) |
| Barrhead to Iesolo | 1,024.29 mi (1,648.43 km) |
| Barrhead to Iglesias | 1,283.69 mi (2,065.90 km) |
