| Cities | Distance |
|---|---|
| Seini to Nasaud | 61.39 mi (98.79 km) |
| Seini to Navodari | 348.23 mi (560.42 km) |
| Seini to Negresti-Oas | 10.59 mi (17.04 km) |
| Seini to Nehoiu | 218.97 mi (352.40 km) |
| Seini to Ocna Mures | 97.63 mi (157.13 km) |
| Seini to Odobesti | 225.29 mi (362.57 km) |
| Seini to Odorheiu Secuiesc | 137.22 mi (220.84 km) |
| Seini to Oltenita | 299.83 mi (482.53 km) |
| Seini to Onesti | 193.71 mi (311.75 km) |
| Seini to Oradea | 79.04 mi (127.21 km) |
| Seini to Orastie | 131.19 mi (211.13 km) |
| Seini to Oravita | 202.00 mi (325.09 km) |
| Seini to Orsova | 213.11 mi (342.97 km) |
| Seini to Otelu Rosu | 160.25 mi (257.89 km) |
| Seini to Otopeni | 258.00 mi (415.21 km) |