| Sintra to Oxford (Alabama) | 4,152.54 mi (6,682.87 km) |
| Sintra to Oxford (Mississippi) | 4,309.28 mi (6,935.12 km) |
| Sintra to Oxford (Ohio) | 3,909.98 mi (6,292.50 km) |
| Sintra to Oxnard (California) | 5,686.79 mi (9,152.01 km) |
| Sintra to Oxon Hill (Maryland) | 3,549.93 mi (5,713.05 km) |
| Sintra to Ozark (Alabama) | 4,214.47 mi (6,782.53 km) |
| Sintra to Ozark (Missouri) | 4,395.80 mi (7,074.36 km) |
| Sintra to Pace (Florida) | 4,321.14 mi (6,954.21 km) |
| Sintra to Pacific Grove (California) | 5,686.32 mi (9,151.26 km) |
| Sintra to Pacifica (California) | 5,661.18 mi (9,110.79 km) |
| Sintra to Paducah (Kentucky) | 4,174.61 mi (6,718.39 km) |
| Sintra to Pahrump (Nevada) | 5,459.35 mi (8,785.98 km) |
| Sintra to Painesville (Ohio) | 3,680.47 mi (5,923.14 km) |
| Sintra to Palatine (Illinois) | 3,988.55 mi (6,418.95 km) |
| Sintra to Palatka (Florida) | 4,071.63 mi (6,552.66 km) |
