| Alcantarilla to Nasaud | 1,443.41 mi (2,322.94 km) |
| Alcantarilla to Navodari | 1,602.54 mi (2,579.04 km) |
| Alcantarilla to Negresti-Oas | 1,412.80 mi (2,273.69 km) |
| Alcantarilla to Nehoiu | 1,500.14 mi (2,414.24 km) |
| Alcantarilla to Ocna Mures | 1,401.27 mi (2,255.13 km) |
| Alcantarilla to Odobesti | 1,541.48 mi (2,480.77 km) |
| Alcantarilla to Odorheiu Secuiesc | 1,466.50 mi (2,360.11 km) |
| Alcantarilla to Oltenita | 1,503.48 mi (2,419.61 km) |
| Alcantarilla to Onesti | 1,534.01 mi (2,468.75 km) |
| Alcantarilla to Oradea | 1,328.07 mi (2,137.31 km) |
| Alcantarilla to Orastie | 1,360.99 mi (2,190.31 km) |
| Alcantarilla to Oravita | 1,275.79 mi (2,053.18 km) |
| Alcantarilla to Orsova | 1,304.50 mi (2,099.40 km) |
| Alcantarilla to Otelu Rosu | 1,315.58 mi (2,117.22 km) |
| Alcantarilla to Otopeni | 1,479.88 mi (2,381.64 km) |
