| Sintra to Germantown (Wisconsin) | 3,959.52 mi (6,372.23 km) |
| Sintra to Gibsonton (Florida) | 4,172.34 mi (6,714.74 km) |
| Sintra to Gig Harbor (Washington) | 5,207.40 mi (8,380.49 km) |
| Sintra to Gilbert (Arizona) | 5,402.22 mi (8,694.03 km) |
| Sintra to Gillette (Wyoming) | 4,683.69 mi (7,537.67 km) |
| Sintra to Gilroy (California) | 5,654.33 mi (9,099.77 km) |
| Sintra to Gladeview (Florida) | 4,130.88 mi (6,648.01 km) |
| Sintra to Gladstone (Missouri) | 4,384.00 mi (7,055.37 km) |
| Sintra to Gladstone (Oregon) | 5,298.13 mi (8,526.51 km) |
| Sintra to Glasgow (Delaware) | 3,467.94 mi (5,581.11 km) |
| Sintra to Glasgow (Kentucky) | 4,044.16 mi (6,508.45 km) |
| Sintra to Glassboro (New Jersey) | 3,433.93 mi (5,526.38 km) |
| Sintra to Glassmanor (Maryland) | 3,549.66 mi (5,712.62 km) |
| Sintra to Glen Allen (Virginia) | 3,606.04 mi (5,803.36 km) |
| Sintra to Glen Burnie (Maryland) | 3,522.05 mi (5,668.19 km) |
