| Holbrook to Grottaferrata | 4,248.64 mi (6,837.53 km) |
| Holbrook to Grottaglie | 4,504.46 mi (7,249.23 km) |
| Holbrook to Grottammare | 4,258.52 mi (6,853.42 km) |
| Holbrook to Grugliasco | 3,915.69 mi (6,301.70 km) |
| Holbrook to Grumo Appula | 4,454.06 mi (7,168.12 km) |
| Holbrook to Grumo Nevano | 4,350.01 mi (7,000.67 km) |
| Holbrook to Gualdo Tadino | 4,202.92 mi (6,763.95 km) |
| Holbrook to Guardiagrele | 4,301.95 mi (6,923.32 km) |
| Holbrook to Guastalla | 4,054.47 mi (6,525.04 km) |
| Holbrook to Gubbio | 4,189.46 mi (6,742.28 km) |
| Holbrook to Guspini | 4,145.02 mi (6,670.76 km) |
| Holbrook to Gussago | 4,010.15 mi (6,453.72 km) |
| Holbrook to Iesi | 4,212.63 mi (6,779.57 km) |
| Holbrook to Iesolo | 4,118.62 mi (6,628.28 km) |
| Holbrook to Iglesias | 4,147.92 mi (6,675.43 km) |
