| Castel Gandolfo to Resana | 270.80 mi (435.81 km) |
| Castel Gandolfo to Rescaldina | 325.04 mi (523.10 km) |
| Castel Gandolfo to Rezzato | 285.29 mi (459.13 km) |
| Castel Gandolfo to Rho | 318.01 mi (511.79 km) |
| Castel Gandolfo to Ribera | 295.28 mi (475.21 km) |
| Castel Gandolfo to Riccione Marina | 155.67 mi (250.53 km) |
| Castel Gandolfo to Riesi | 317.69 mi (511.27 km) |
| Castel Gandolfo to Rieti | 46.63 mi (75.04 km) |
| Castel Gandolfo to Rignano Flaminio | 32.48 mi (52.27 km) |
| Castel Gandolfo to Rignano sull'Arno | 149.57 mi (240.70 km) |
| Castel Gandolfo to Rimini | 159.83 mi (257.23 km) |
| Castel Gandolfo to Rionero in Vulture | 166.59 mi (268.10 km) |
| Castel Gandolfo to Riposto | 308.55 mi (496.57 km) |
| Castel Gandolfo to Riva del Garda | 299.56 mi (482.10 km) |
| Castel Gandolfo to Rivalta di Torino | 343.41 mi (552.66 km) |
