| Gretz-Armainvilliers to Rivarolo Canavese | 332.38 mi (534.91 km) |
| Gretz-Armainvilliers to Rivoli | 339.47 mi (546.33 km) |
| Gretz-Armainvilliers to Rocca di Papa | 682.99 mi (1,099.17 km) |
| Gretz-Armainvilliers to Rocca Priora | 683.86 mi (1,100.57 km) |
| Gretz-Armainvilliers to Roccapiemonte | 803.42 mi (1,292.98 km) |
| Gretz-Armainvilliers to Roccastrada | 566.30 mi (911.37 km) |
| Gretz-Armainvilliers to Romano di Lombardia | 397.74 mi (640.10 km) |
| Gretz-Armainvilliers to Rome | 668.46 mi (1,075.79 km) |
| Gretz-Armainvilliers to Roncade | 500.91 mi (806.14 km) |
| Gretz-Armainvilliers to Ronchi dei Legionari | 542.50 mi (873.06 km) |
| Gretz-Armainvilliers to Ronciglione | 638.93 mi (1,028.26 km) |
| Gretz-Armainvilliers to Rosa | 472.11 mi (759.78 km) |
| Gretz-Armainvilliers to Rosarno | 967.41 mi (1,556.90 km) |
| Gretz-Armainvilliers to Rosignano Marittimo | 522.54 mi (840.94 km) |
| Gretz-Armainvilliers to Rosolini | 1,028.08 mi (1,654.54 km) |
