| Naaldwijk to Navodari | 1,235.73 mi (1,988.71 km) |
| Naaldwijk to Negresti-Oas | 897.87 mi (1,444.98 km) |
| Naaldwijk to Nehoiu | 1,102.06 mi (1,773.60 km) |
| Naaldwijk to Ocna Mures | 964.35 mi (1,551.97 km) |
| Naaldwijk to Odobesti | 1,118.39 mi (1,799.87 km) |
| Naaldwijk to Odorheiu Secuiesc | 1,026.27 mi (1,651.62 km) |
| Naaldwijk to Oltenita | 1,164.75 mi (1,874.48 km) |
| Naaldwijk to Onesti | 1,088.94 mi (1,752.49 km) |
| Naaldwijk to Oradea | 861.29 mi (1,386.12 km) |
| Naaldwijk to Orastie | 957.32 mi (1,540.66 km) |
| Naaldwijk to Oravita | 929.64 mi (1,496.11 km) |
| Naaldwijk to Orsova | 970.50 mi (1,561.87 km) |
| Naaldwijk to Otelu Rosu | 936.31 mi (1,506.84 km) |
| Naaldwijk to Otopeni | 1,123.36 mi (1,807.88 km) |
| Naaldwijk to Ovidiu | 1,235.53 mi (1,988.39 km) |
