| Alcanena to Navodari | 1,929.38 mi (3,105.04 km) |
| Alcanena to Negresti-Oas | 1,691.10 mi (2,721.56 km) |
| Alcanena to Nehoiu | 1,814.62 mi (2,920.36 km) |
| Alcanena to Ocna Mures | 1,700.19 mi (2,736.19 km) |
| Alcanena to Odobesti | 1,851.76 mi (2,980.12 km) |
| Alcanena to Odorheiu Secuiesc | 1,768.43 mi (2,846.02 km) |
| Alcanena to Oltenita | 1,832.36 mi (2,948.90 km) |
| Alcanena to Onesti | 1,838.26 mi (2,958.40 km) |
| Alcanena to Oradea | 1,613.94 mi (2,597.38 km) |
| Alcanena to Orastie | 1,665.93 mi (2,681.05 km) |
| Alcanena to Oravita | 1,589.15 mi (2,557.48 km) |
| Alcanena to Orsova | 1,622.91 mi (2,611.83 km) |
| Alcanena to Otelu Rosu | 1,623.58 mi (2,612.91 km) |
| Alcanena to Otopeni | 1,803.42 mi (2,902.32 km) |
| Alcanena to Ovidiu | 1,926.94 mi (3,101.12 km) |
