| Seini to Nowy Dwor Mazowiecki | 343.12 mi (552.20 km) |
| Seini to Nowy Sacz | 175.31 mi (282.13 km) |
| Seini to Nowy Targ | 190.77 mi (307.01 km) |
| Seini to Nowy Tomysl | 447.27 mi (719.82 km) |
| Seini to Nysa | 328.27 mi (528.31 km) |
| Seini to Oborniki | 443.01 mi (712.95 km) |
| Seini to Oborniki Slaskie | 376.80 mi (606.41 km) |
| Seini to Olawa | 347.73 mi (559.61 km) |
| Seini to Olecko | 435.63 mi (701.07 km) |
| Seini to Olesnica | 356.32 mi (573.44 km) |
| Seini to Olesno | 307.74 mi (495.26 km) |
| Seini to Olkusz | 242.97 mi (391.03 km) |
| Seini to Olsztyn | 434.22 mi (698.80 km) |
| Seini to Opalenica | 438.15 mi (705.13 km) |
| Seini to Opoczno | 284.44 mi (457.76 km) |
