| Guadarrama to Rivalta di Torino | 659.79 mi (1,061.83 km) |
| Guadarrama to Rivarolo Canavese | 676.89 mi (1,089.35 km) |
| Guadarrama to Rivoli | 660.73 mi (1,063.34 km) |
| Guadarrama to Rocca di Papa | 875.27 mi (1,408.60 km) |
| Guadarrama to Rocca Priora | 877.83 mi (1,412.73 km) |
| Guadarrama to Roccapiemonte | 981.73 mi (1,579.94 km) |
| Guadarrama to Roccastrada | 800.58 mi (1,288.41 km) |
| Guadarrama to Romano di Lombardia | 772.89 mi (1,243.85 km) |
| Guadarrama to Rome | 863.18 mi (1,389.15 km) |
| Guadarrama to Roncade | 895.65 mi (1,441.41 km) |
| Guadarrama to Ronchi dei Legionari | 951.71 mi (1,531.62 km) |
| Guadarrama to Ronciglione | 849.95 mi (1,367.85 km) |
| Guadarrama to Rosa | 869.43 mi (1,399.21 km) |
| Guadarrama to Rosarno | 1,076.95 mi (1,733.19 km) |
| Guadarrama to Rosignano Marittimo | 769.24 mi (1,237.97 km) |
