| Sintra to Pittsburg (Kansas) | 4,453.05 mi (7,166.50 km) |
| Sintra to Pittsburgh (Pennsylvania) | 3,653.20 mi (5,879.26 km) |
| Sintra to Pittsfield (Massachusetts) | 3,278.86 mi (5,276.81 km) |
| Sintra to Placentia (California) | 5,644.92 mi (9,084.62 km) |
| Sintra to Placerville (California) | 5,541.69 mi (8,918.48 km) |
| Sintra to Plainfield (Illinois) | 4,011.82 mi (6,456.41 km) |
| Sintra to Plainfield (Indiana) | 3,982.36 mi (6,408.99 km) |
| Sintra to Plainfield (New Jersey) | 3,377.15 mi (5,435.00 km) |
| Sintra to Plainview (New York) | 3,326.80 mi (5,353.97 km) |
| Sintra to Plainview (Texas) | 4,904.44 mi (7,892.94 km) |
| Sintra to Plano (Illinois) | 4,024.31 mi (6,476.49 km) |
| Sintra to Plano (Texas) | 4,710.27 mi (7,580.44 km) |
| Sintra to Plant City (Florida) | 4,152.26 mi (6,682.42 km) |
| Sintra to Plantation (Florida) | 4,121.86 mi (6,633.49 km) |
| Sintra to Platteville (Wisconsin) | 4,081.64 mi (6,568.77 km) |
