| Alcanar to Nasaud | 1,272.38 mi (2,047.70 km) |
| Alcanar to Navodari | 1,450.78 mi (2,334.80 km) |
| Alcanar to Negresti-Oas | 1,237.88 mi (1,992.18 km) |
| Alcanar to Nehoiu | 1,341.30 mi (2,158.61 km) |
| Alcanar to Ocna Mures | 1,234.58 mi (1,986.87 km) |
| Alcanar to Odobesti | 1,380.67 mi (2,221.97 km) |
| Alcanar to Odorheiu Secuiesc | 1,301.45 mi (2,094.48 km) |
| Alcanar to Oltenita | 1,352.63 mi (2,176.85 km) |
| Alcanar to Onesti | 1,370.29 mi (2,205.27 km) |
| Alcanar to Oradea | 1,155.57 mi (1,859.71 km) |
| Alcanar to Orastie | 1,196.88 mi (1,926.19 km) |
| Alcanar to Oravita | 1,115.44 mi (1,795.13 km) |
| Alcanar to Orsova | 1,146.97 mi (1,845.87 km) |
| Alcanar to Otelu Rosu | 1,152.73 mi (1,855.13 km) |
| Alcanar to Otopeni | 1,325.86 mi (2,133.76 km) |
