| Sintra to Naugatuck (Connecticut) | 3,289.93 mi (5,294.63 km) |
| Sintra to Navarre (Florida) | 4,314.18 mi (6,943.01 km) |
| Sintra to Nederland (Texas) | 4,690.69 mi (7,548.93 km) |
| Sintra to Neenah (Wisconsin) | 3,948.87 mi (6,355.09 km) |
| Sintra to Neosho (Missouri) | 4,457.79 mi (7,174.13 km) |
| Sintra to Nesconset (New York) | 3,309.52 mi (5,326.15 km) |
| Sintra to New Albany (Indiana) | 3,998.34 mi (6,434.71 km) |
| Sintra to New Albany (Ohio) | 3,798.88 mi (6,113.70 km) |
| Sintra to New Baltimore (Michigan) | 3,725.23 mi (5,995.18 km) |
| Sintra to New Baltimore (Virginia) | 3,587.81 mi (5,774.02 km) |
| Sintra to New Bedford (Massachusetts) | 3,182.58 mi (5,121.86 km) |
| Sintra to New Berlin (Wisconsin) | 3,967.45 mi (6,384.99 km) |
| Sintra to New Bern (North Carolina) | 3,659.14 mi (5,888.81 km) |
| Sintra to New Braunfels (Texas) | 4,905.95 mi (7,895.36 km) |
| Sintra to New Brighton (Minnesota) | 4,132.53 mi (6,650.67 km) |
