| Sintra to Nowy Dwor Mazowiecki | 1,714.00 mi (2,758.42 km) |
| Sintra to Nowy Sacz | 1,651.95 mi (2,658.56 km) |
| Sintra to Nowy Targ | 1,619.64 mi (2,606.57 km) |
| Sintra to Nowy Tomysl | 1,534.49 mi (2,469.52 km) |
| Sintra to Nysa | 1,528.90 mi (2,460.53 km) |
| Sintra to Oborniki | 1,570.59 mi (2,527.62 km) |
| Sintra to Oborniki Slaskie | 1,533.62 mi (2,468.13 km) |
| Sintra to Olawa | 1,539.51 mi (2,477.61 km) |
| Sintra to Olecko | 1,823.45 mi (2,934.56 km) |
| Sintra to Olesnica | 1,550.00 mi (2,494.48 km) |
| Sintra to Olesno | 1,583.20 mi (2,547.91 km) |
| Sintra to Olkusz | 1,616.91 mi (2,602.16 km) |
| Sintra to Olsztyn | 1,740.90 mi (2,801.70 km) |
| Sintra to Opalenica | 1,544.75 mi (2,486.03 km) |
| Sintra to Opoczno | 1,671.29 mi (2,689.69 km) |
