| Barstow to Grottaferrata | 6,257.94 mi (10,071.18 km) |
| Barstow to Grottaglie | 6,477.55 mi (10,424.60 km) |
| Barstow to Grottammare | 6,231.31 mi (10,028.32 km) |
| Barstow to Grugliasco | 5,919.46 mi (9,526.45 km) |
| Barstow to Grumo Appula | 6,427.94 mi (10,344.77 km) |
| Barstow to Grumo Nevano | 6,355.71 mi (10,228.53 km) |
| Barstow to Gualdo Tadino | 6,184.04 mi (9,952.25 km) |
| Barstow to Guardiagrele | 6,285.22 mi (10,115.09 km) |
| Barstow to Guastalla | 6,027.44 mi (9,700.22 km) |
| Barstow to Gubbio | 6,170.91 mi (9,931.12 km) |
| Barstow to Guspini | 6,239.05 mi (10,040.77 km) |
| Barstow to Gussago | 5,975.26 mi (9,616.25 km) |
| Barstow to Iesi | 6,182.81 mi (9,950.27 km) |
| Barstow to Iesolo | 6,056.44 mi (9,746.91 km) |
| Barstow to Iglesias | 6,246.64 mi (10,052.99 km) |
