| Hjorring to Navodari | 1,210.13 mi (1,947.52 km) |
| Hjorring to Negresti-Oas | 866.73 mi (1,394.87 km) |
| Hjorring to Nehoiu | 1,087.43 mi (1,750.05 km) |
| Hjorring to Ocna Mures | 963.12 mi (1,549.99 km) |
| Hjorring to Odobesti | 1,084.99 mi (1,746.12 km) |
| Hjorring to Odorheiu Secuiesc | 1,005.38 mi (1,618.00 km) |
| Hjorring to Oltenita | 1,169.74 mi (1,882.52 km) |
| Hjorring to Onesti | 1,049.11 mi (1,688.38 km) |
| Hjorring to Oradea | 874.97 mi (1,408.13 km) |
| Hjorring to Orastie | 978.60 mi (1,574.90 km) |
| Hjorring to Oravita | 993.35 mi (1,598.64 km) |
| Hjorring to Orsova | 1,028.32 mi (1,654.92 km) |
| Hjorring to Otelu Rosu | 978.69 mi (1,575.05 km) |
| Hjorring to Otopeni | 1,127.75 mi (1,814.94 km) |
| Hjorring to Ovidiu | 1,211.53 mi (1,949.77 km) |
