| Country: | ESP |
| Type: | N |
| Route: | 320 |
| Map: | Carreteraesp n320.png |
| Length Km: | 230 |
| Terminus A: | La Gineta |
| Terminus B: | Venturada |
The N-320 is a road in eastern Spain. It starts north of Albacete with a junction on the Autovía A-31. It heads north across the River Jucar. The road crosses the Autovía A-3 before entering wooded hills.[1]
The road comes to Cuenca where it meets the N-420 and the Autovía A-40 which is being constructed. The N-320 continues north along the western flanks of the forested Serrania de Cuenca. The road turns west to cross the Mar de Castilla a major reservoir. It then passes through the mountains of La Alcarria and into the plain of Madrid.
The road passes north east of Madrid to Guadalajara and a junction with the Autovía A-2 and Autopista Radial R-2. The road remains north east of Madrid ending at Torrelaguna and a junction (50 km) of the Autovía A-1 below the towering Sierra de Guadarrama.