| Narva to Navodari | 1,040.33 mi (1,674.24 km) |
| Narva to Negresti-Oas | 818.19 mi (1,316.75 km) |
| Narva to Nehoiu | 972.05 mi (1,564.37 km) |
| Narva to Ocna Mures | 914.78 mi (1,472.20 km) |
| Narva to Odobesti | 941.46 mi (1,515.13 km) |
| Narva to Odorheiu Secuiesc | 910.32 mi (1,465.02 km) |
| Narva to Oltenita | 1,058.41 mi (1,703.34 km) |
| Narva to Onesti | 908.21 mi (1,461.63 km) |
| Narva to Oradea | 887.89 mi (1,428.91 km) |
| Narva to Orastie | 957.09 mi (1,540.29 km) |
| Narva to Oravita | 1,026.95 mi (1,652.71 km) |
| Narva to Orsova | 1,040.86 mi (1,675.10 km) |
| Narva to Otelu Rosu | 987.63 mi (1,589.43 km) |
| Narva to Otopeni | 1,028.22 mi (1,654.76 km) |
| Narva to Ovidiu | 1,043.82 mi (1,679.87 km) |
