| Barreiro to Gaeta | 1,208.34 mi (1,944.64 km) |
| Barreiro to Gaggiano | 1,035.86 mi (1,667.05 km) |
| Barreiro to Galatina | 1,451.66 mi (2,336.21 km) |
| Barreiro to Galatone | 1,446.49 mi (2,327.90 km) |
| Barreiro to Galbiate | 1,061.27 mi (1,707.95 km) |
| Barreiro to Gallarate | 1,031.28 mi (1,659.69 km) |
| Barreiro to Galliate | 1,022.59 mi (1,645.70 km) |
| Barreiro to Gallipoli | 1,443.09 mi (2,322.43 km) |
| Barreiro to Gambettola | 1,167.42 mi (1,878.77 km) |
| Barreiro to Gambolo | 1,024.61 mi (1,648.95 km) |
| Barreiro to Garbagnate Milanese | 1,042.15 mi (1,677.18 km) |
| Barreiro to Gardone Val Trompia | 1,094.66 mi (1,761.68 km) |
| Barreiro to Garlasco | 1,025.61 mi (1,650.56 km) |
| Barreiro to Gassino Torinese | 974.03 mi (1,567.56 km) |
| Barreiro to Gatteo | 1,169.62 mi (1,882.32 km) |
