| Norco to Nasaud | 6,350.05 mi (10,219.41 km) |
| Norco to Navodari | 6,627.50 mi (10,665.93 km) |
| Norco to Negresti-Oas | 6,291.70 mi (10,125.52 km) |
| Norco to Nehoiu | 6,510.84 mi (10,478.18 km) |
| Norco to Ocna Mures | 6,389.65 mi (10,283.16 km) |
| Norco to Odobesti | 6,503.79 mi (10,466.83 km) |
| Norco to Odorheiu Secuiesc | 6,429.24 mi (10,346.86 km) |
| Norco to Oltenita | 6,595.12 mi (10,613.82 km) |
| Norco to Onesti | 6,467.13 mi (10,407.85 km) |
| Norco to Oradea | 6,301.10 mi (10,140.64 km) |
| Norco to Orastie | 6,404.99 mi (10,307.83 km) |
| Norco to Oravita | 6,413.07 mi (10,320.84 km) |
| Norco to Orsova | 6,450.15 mi (10,380.52 km) |
| Norco to Otelu Rosu | 6,402.71 mi (10,304.17 km) |
| Norco to Otopeni | 6,553.48 mi (10,546.81 km) |
