| Grinon to Rivalta di Torino | 666.04 mi (1,071.90 km) |
| Grinon to Rivarolo Canavese | 683.87 mi (1,100.58 km) |
| Grinon to Rivoli | 667.10 mi (1,073.59 km) |
| Grinon to Rocca di Papa | 869.22 mi (1,398.88 km) |
| Grinon to Rocca Priora | 871.83 mi (1,403.07 km) |
| Grinon to Roccapiemonte | 973.32 mi (1,566.40 km) |
| Grinon to Roccastrada | 798.24 mi (1,284.64 km) |
| Grinon to Romano di Lombardia | 778.58 mi (1,253.00 km) |
| Grinon to Rome | 857.48 mi (1,379.98 km) |
| Grinon to Roncade | 899.88 mi (1,448.22 km) |
| Grinon to Ronchi dei Legionari | 955.85 mi (1,538.29 km) |
| Grinon to Ronciglione | 845.35 mi (1,360.46 km) |
| Grinon to Rosa | 874.24 mi (1,406.96 km) |
| Grinon to Rosarno | 1,063.95 mi (1,712.27 km) |
| Grinon to Rosignano Marittimo | 768.30 mi (1,236.45 km) |
