| Lisburn to Grottaferrata | 1,224.20 mi (1,970.15 km) |
| Lisburn to Grottaglie | 1,447.67 mi (2,329.80 km) |
| Lisburn to Grottammare | 1,199.05 mi (1,929.69 km) |
| Lisburn to Grugliasco | 888.49 mi (1,429.89 km) |
| Lisburn to Grumo Appula | 1,397.38 mi (2,248.86 km) |
| Lisburn to Grumo Nevano | 1,321.58 mi (2,126.88 km) |
| Lisburn to Gualdo Tadino | 1,150.45 mi (1,851.48 km) |
| Lisburn to Guardiagrele | 1,252.00 mi (2,014.90 km) |
| Lisburn to Guastalla | 993.73 mi (1,599.26 km) |
| Lisburn to Gubbio | 1,137.23 mi (1,830.20 km) |
| Lisburn to Guspini | 1,239.10 mi (1,994.14 km) |
| Lisburn to Gussago | 942.01 mi (1,516.02 km) |
| Lisburn to Iesi | 1,150.54 mi (1,851.61 km) |
| Lisburn to Iesolo | 1,030.39 mi (1,658.25 km) |
| Lisburn to Iglesias | 1,249.75 mi (2,011.28 km) |
