| Barcelona to Grottaferrata | 542.75 mi (873.48 km) |
| Barcelona to Grottaglie | 797.18 mi (1,282.94 km) |
| Barcelona to Grottammare | 608.11 mi (978.66 km) |
| Barcelona to Grugliasco | 372.37 mi (599.26 km) |
| Barcelona to Grumo Appula | 754.55 mi (1,214.34 km) |
| Barcelona to Grumo Nevano | 629.17 mi (1,012.55 km) |
| Barcelona to Gualdo Tadino | 556.42 mi (895.47 km) |
| Barcelona to Guardiagrele | 622.27 mi (1,001.44 km) |
| Barcelona to Guastalla | 492.35 mi (792.36 km) |
| Barcelona to Gubbio | 547.13 mi (880.52 km) |
| Barcelona to Guspini | 362.56 mi (583.49 km) |
| Barcelona to Gussago | 494.22 mi (795.37 km) |
| Barcelona to Iesi | 582.53 mi (937.49 km) |
| Barcelona to Iesolo | 597.55 mi (961.66 km) |
| Barcelona to Iglesias | 363.75 mi (585.40 km) |
