| Johnston to Grottaferrata | 5,069.91 mi (8,159.23 km) |
| Johnston to Grottaglie | 5,310.18 mi (8,545.92 km) |
| Johnston to Grottammare | 5,060.02 mi (8,143.31 km) |
| Johnston to Grugliasco | 4,728.59 mi (7,609.92 km) |
| Johnston to Grumo Appula | 5,259.39 mi (8,464.17 km) |
| Johnston to Grumo Nevano | 5,170.88 mi (8,321.72 km) |
| Johnston to Gualdo Tadino | 5,008.03 mi (8,059.65 km) |
| Johnston to Guardiagrele | 5,109.87 mi (8,223.53 km) |
| Johnston to Guastalla | 4,852.59 mi (7,809.50 km) |
| Johnston to Gubbio | 4,994.53 mi (8,037.92 km) |
| Johnston to Guspini | 5,011.72 mi (8,065.58 km) |
| Johnston to Gussago | 4,803.16 mi (7,729.94 km) |
| Johnston to Iesi | 5,011.93 mi (8,065.92 km) |
| Johnston to Iesolo | 4,898.58 mi (7,883.51 km) |
| Johnston to Iglesias | 5,017.28 mi (8,074.53 km) |
