| Sintra to Miami Lakes (Florida) | 4,132.72 mi (6,650.97 km) |
| Sintra to Miami Shores (Florida) | 4,126.76 mi (6,641.38 km) |
| Sintra to Miami Springs (Florida) | 4,134.39 mi (6,653.66 km) |
| Sintra to Miamisburg (Ohio) | 3,883.51 mi (6,249.91 km) |
| Sintra to Michigan City (Indiana) | 3,945.95 mi (6,350.39 km) |
| Sintra to Middle Island (New York) | 3,298.43 mi (5,308.31 km) |
| Sintra to Middle River (Maryland) | 3,508.14 mi (5,645.81 km) |
| Sintra to Middle Valley (Tennessee) | 4,066.32 mi (6,544.11 km) |
| Sintra to Middleburg (Florida) | 4,069.83 mi (6,549.76 km) |
| Sintra to Middleburg Heights (Ohio) | 3,716.70 mi (5,981.45 km) |
| Sintra to Middlesex (New Jersey) | 3,382.34 mi (5,443.35 km) |
| Sintra to Middleton (Wisconsin) | 4,026.43 mi (6,479.91 km) |
| Sintra to Middletown (Connecticut) | 3,269.19 mi (5,261.26 km) |
| Sintra to Middletown (Delaware) | 3,470.51 mi (5,585.24 km) |
| Sintra to Middletown (New York) | 3,357.94 mi (5,404.09 km) |
