| Niska Banja to Nasaud | 299.32 mi (481.71 km) |
| Niska Banja to Navodari | 336.92 mi (542.22 km) |
| Niska Banja to Negresti-Oas | 323.51 mi (520.64 km) |
| Niska Banja to Nehoiu | 255.69 mi (411.50 km) |
| Niska Banja to Ocna Mures | 232.42 mi (374.05 km) |
| Niska Banja to Odobesti | 302.12 mi (486.22 km) |
| Niska Banja to Odorheiu Secuiesc | 263.88 mi (424.67 km) |
| Niska Banja to Oltenita | 237.72 mi (382.57 km) |
| Niska Banja to Onesti | 310.63 mi (499.91 km) |
| Niska Banja to Oradea | 261.13 mi (420.25 km) |
| Niska Banja to Orastie | 186.16 mi (299.60 km) |
| Niska Banja to Oravita | 121.75 mi (195.93 km) |
| Niska Banja to Orsova | 100.82 mi (162.26 km) |
| Niska Banja to Otelu Rosu | 154.70 mi (248.97 km) |
| Niska Banja to Otopeni | 220.07 mi (354.16 km) |
