| Sintra to Hilliard (Ohio) | 3,818.15 mi (6,144.72 km) |
| Sintra to Hillsboro (Oregon) | 5,303.73 mi (8,535.53 km) |
| Sintra to Hillsborough (California) | 5,659.01 mi (9,107.30 km) |
| Sintra to Hillsborough (New Jersey) | 3,391.41 mi (5,457.94 km) |
| Sintra to Hilo (Hawaii) | 7,826.19 mi (12,595.04 km) |
| Sintra to Hilton Head Island (South Carolina) | 3,938.55 mi (6,338.48 km) |
| Sintra to Hinesville (Georgia) | 3,995.05 mi (6,429.42 km) |
| Sintra to Hinsdale (Illinois) | 3,992.59 mi (6,425.45 km) |
| Sintra to Hobart (Indiana) | 3,970.57 mi (6,390.02 km) |
| Sintra to Hobbs (New Mexico) | 5,030.27 mi (8,095.43 km) |
| Sintra to Hobe Sound (Florida) | 4,081.67 mi (6,568.82 km) |
| Sintra to Hoboken (New Jersey) | 3,355.00 mi (5,399.35 km) |
| Sintra to Hockessin (Delaware) | 3,460.06 mi (5,568.43 km) |
| Sintra to Hoffman Estates (Illinois) | 3,994.96 mi (6,429.26 km) |
| Sintra to Holbrook (New York) | 3,306.68 mi (5,321.58 km) |
