| Trowbridge to Grottaferrata | 962.84 mi (1,549.53 km) |
| Trowbridge to Grottaglie | 1,196.21 mi (1,925.12 km) |
| Trowbridge to Grottammare | 946.11 mi (1,522.61 km) |
| Trowbridge to Grugliasco | 623.30 mi (1,003.11 km) |
| Trowbridge to Grumo Appula | 1,145.46 mi (1,843.44 km) |
| Trowbridge to Grumo Nevano | 1,062.04 mi (1,709.19 km) |
| Trowbridge to Gualdo Tadino | 894.88 mi (1,440.17 km) |
| Trowbridge to Guardiagrele | 996.82 mi (1,604.22 km) |
| Trowbridge to Guastalla | 738.82 mi (1,189.01 km) |
| Trowbridge to Gubbio | 881.44 mi (1,418.54 km) |
| Trowbridge to Guspini | 967.04 mi (1,556.30 km) |
| Trowbridge to Gussago | 689.08 mi (1,108.96 km) |
| Trowbridge to Iesi | 897.92 mi (1,445.07 km) |
| Trowbridge to Iesolo | 787.56 mi (1,267.46 km) |
| Trowbridge to Iglesias | 977.59 mi (1,573.28 km) |
