| Clayton to Rivalta di Torino | 734.42 mi (1,181.94 km) |
| Clayton to Rivarolo Canavese | 722.12 mi (1,162.14 km) |
| Clayton to Rivoli | 732.30 mi (1,178.52 km) |
| Clayton to Rocca di Papa | 1,065.51 mi (1,714.77 km) |
| Clayton to Rocca Priora | 1,066.00 mi (1,715.56 km) |
| Clayton to Roccapiemonte | 1,180.79 mi (1,900.29 km) |
| Clayton to Roccastrada | 950.15 mi (1,529.12 km) |
| Clayton to Romano di Lombardia | 768.64 mi (1,237.00 km) |
| Clayton to Rome | 1,051.55 mi (1,692.31 km) |
| Clayton to Roncade | 845.60 mi (1,360.86 km) |
| Clayton to Ronchi dei Legionari | 873.13 mi (1,405.17 km) |
| Clayton to Ronciglione | 1,021.16 mi (1,643.40 km) |
| Clayton to Rosa | 820.94 mi (1,321.18 km) |
| Clayton to Rosarno | 1,349.62 mi (2,172.00 km) |
| Clayton to Rosignano Marittimo | 908.10 mi (1,461.44 km) |
