| Harborne to Nasaud | 1,219.15 mi (1,962.03 km) |
| Harborne to Navodari | 1,496.85 mi (2,408.94 km) |
| Harborne to Negresti-Oas | 1,160.21 mi (1,867.18 km) |
| Harborne to Nehoiu | 1,363.16 mi (2,193.79 km) |
| Harborne to Ocna Mures | 1,225.47 mi (1,972.20 km) |
| Harborne to Odobesti | 1,380.26 mi (2,221.31 km) |
| Harborne to Odorheiu Secuiesc | 1,287.99 mi (2,072.82 km) |
| Harborne to Oltenita | 1,424.14 mi (2,291.94 km) |
| Harborne to Onesti | 1,351.08 mi (2,174.35 km) |
| Harborne to Oradea | 1,122.30 mi (1,806.16 km) |
| Harborne to Orastie | 1,217.00 mi (1,958.57 km) |
| Harborne to Oravita | 1,185.29 mi (1,907.54 km) |
| Harborne to Orsova | 1,226.30 mi (1,973.54 km) |
| Harborne to Otelu Rosu | 1,194.30 mi (1,922.04 km) |
| Harborne to Otopeni | 1,383.08 mi (2,225.85 km) |
