| Alcaniz to Nasaud | 1,283.76 mi (2,066.02 km) |
| Alcaniz to Navodari | 1,469.67 mi (2,365.20 km) |
| Alcaniz to Negresti-Oas | 1,247.40 mi (2,007.49 km) |
| Alcaniz to Nehoiu | 1,357.78 mi (2,185.14 km) |
| Alcaniz to Ocna Mures | 1,248.04 mi (2,008.52 km) |
| Alcaniz to Odobesti | 1,396.29 mi (2,247.12 km) |
| Alcaniz to Odorheiu Secuiesc | 1,315.48 mi (2,117.05 km) |
| Alcaniz to Oltenita | 1,372.03 mi (2,208.07 km) |
| Alcaniz to Onesti | 1,384.74 mi (2,228.53 km) |
| Alcaniz to Oradea | 1,166.50 mi (1,877.30 km) |
| Alcaniz to Orastie | 1,211.54 mi (1,949.78 km) |
| Alcaniz to Oravita | 1,131.87 mi (1,821.56 km) |
| Alcaniz to Orsova | 1,164.41 mi (1,873.94 km) |
| Alcaniz to Otelu Rosu | 1,168.03 mi (1,879.76 km) |
| Alcaniz to Otopeni | 1,344.18 mi (2,163.25 km) |
