| Nelson to Nasaud | 1,244.14 mi (2,002.25 km) |
| Nelson to Navodari | 1,526.39 mi (2,456.49 km) |
| Nelson to Negresti-Oas | 1,184.12 mi (1,905.65 km) |
| Nelson to Nehoiu | 1,392.97 mi (2,241.76 km) |
| Nelson to Ocna Mures | 1,255.45 mi (2,020.46 km) |
| Nelson to Odobesti | 1,407.11 mi (2,264.52 km) |
| Nelson to Odorheiu Secuiesc | 1,315.69 mi (2,117.39 km) |
| Nelson to Oltenita | 1,458.05 mi (2,346.51 km) |
| Nelson to Onesti | 1,376.46 mi (2,215.20 km) |
| Nelson to Oradea | 1,152.82 mi (1,855.29 km) |
| Nelson to Orastie | 1,250.57 mi (2,012.60 km) |
| Nelson to Oravita | 1,225.32 mi (1,971.97 km) |
| Nelson to Orsova | 1,266.11 mi (2,037.61 km) |
| Nelson to Otelu Rosu | 1,230.97 mi (1,981.05 km) |
| Nelson to Otopeni | 1,416.36 mi (2,279.41 km) |
