| Castelo Branco to Gaeta | 1,108.04 mi (1,783.22 km) |
| Castelo Branco to Gaggiano | 922.93 mi (1,485.31 km) |
| Castelo Branco to Galatina | 1,354.13 mi (2,179.27 km) |
| Castelo Branco to Galatone | 1,349.04 mi (2,171.07 km) |
| Castelo Branco to Galbiate | 947.87 mi (1,525.45 km) |
| Castelo Branco to Gallarate | 917.85 mi (1,477.14 km) |
| Castelo Branco to Galliate | 909.40 mi (1,463.54 km) |
| Castelo Branco to Gallipoli | 1,345.96 mi (2,166.11 km) |
| Castelo Branco to Gambettola | 1,058.35 mi (1,703.25 km) |
| Castelo Branco to Gambolo | 911.85 mi (1,467.49 km) |
| Castelo Branco to Garbagnate Milanese | 928.97 mi (1,495.03 km) |
| Castelo Branco to Gardone Val Trompia | 981.73 mi (1,579.94 km) |
| Castelo Branco to Garlasco | 912.98 mi (1,469.29 km) |
| Castelo Branco to Gassino Torinese | 861.05 mi (1,385.72 km) |
| Castelo Branco to Gatteo | 1,060.61 mi (1,706.88 km) |
