| Alcala de Guadaira to Nasaud | 1,678.22 mi (2,700.83 km) |
| Alcala de Guadaira to Navodari | 1,850.42 mi (2,977.97 km) |
| Alcala de Guadaira to Negresti-Oas | 1,643.82 mi (2,645.47 km) |
| Alcala de Guadaira to Nehoiu | 1,744.07 mi (2,806.81 km) |
| Alcala de Guadaira to Ocna Mures | 1,639.71 mi (2,638.86 km) |
| Alcala de Guadaira to Odobesti | 1,784.21 mi (2,871.41 km) |
| Alcala de Guadaira to Odorheiu Secuiesc | 1,706.23 mi (2,745.91 km) |
| Alcala de Guadaira to Oltenita | 1,751.70 mi (2,819.09 km) |
| Alcala de Guadaira to Onesti | 1,774.75 mi (2,856.19 km) |
| Alcala de Guadaira to Oradea | 1,561.49 mi (2,512.97 km) |
| Alcala de Guadaira to Orastie | 1,601.32 mi (2,577.08 km) |
| Alcala de Guadaira to Oravita | 1,518.56 mi (2,443.89 km) |
| Alcala de Guadaira to Orsova | 1,549.00 mi (2,492.88 km) |
| Alcala de Guadaira to Otelu Rosu | 1,556.75 mi (2,505.35 km) |
| Alcala de Guadaira to Otopeni | 1,726.51 mi (2,778.55 km) |
