| Sintra to Gaeta | 1,222.63 mi (1,967.63 km) |
| Sintra to Gaggiano | 1,045.66 mi (1,682.83 km) |
| Sintra to Galatina | 1,466.57 mi (2,360.22 km) |
| Sintra to Galatone | 1,461.42 mi (2,351.93 km) |
| Sintra to Galbiate | 1,070.75 mi (1,723.20 km) |
| Sintra to Gallarate | 1,040.74 mi (1,674.91 km) |
| Sintra to Galliate | 1,032.22 mi (1,661.19 km) |
| Sintra to Gallipoli | 1,458.08 mi (2,346.56 km) |
| Sintra to Gambettola | 1,179.15 mi (1,897.65 km) |
| Sintra to Gambolo | 1,034.52 mi (1,664.91 km) |
| Sintra to Garbagnate Milanese | 1,051.78 mi (1,692.68 km) |
| Sintra to Gardone Val Trompia | 1,104.47 mi (1,777.47 km) |
| Sintra to Garlasco | 1,035.60 mi (1,666.64 km) |
| Sintra to Gassino Torinese | 983.79 mi (1,583.26 km) |
| Sintra to Gatteo | 1,181.37 mi (1,901.24 km) |
