| Gronau to Rivarolo Canavese | 476.44 mi (766.76 km) |
| Gronau to Rivoli | 493.99 mi (795.01 km) |
| Gronau to Rocca di Papa | 769.11 mi (1,237.76 km) |
| Gronau to Rocca Priora | 768.83 mi (1,237.31 km) |
| Gronau to Roccapiemonte | 869.73 mi (1,399.70 km) |
| Gronau to Roccastrada | 663.99 mi (1,068.59 km) |
| Gronau to Romano di Lombardia | 478.64 mi (770.30 km) |
| Gronau to Rome | 757.07 mi (1,218.39 km) |
| Gronau to Roncade | 515.28 mi (829.27 km) |
| Gronau to Ronchi dei Legionari | 528.58 mi (850.67 km) |
| Gronau to Ronciglione | 726.81 mi (1,169.68 km) |
| Gronau to Rosa | 497.11 mi (800.02 km) |
| Gronau to Rosarno | 1,041.20 mi (1,675.65 km) |
| Gronau to Rosignano Marittimo | 629.10 mi (1,012.44 km) |
| Gronau to Rosolini | 1,131.23 mi (1,820.53 km) |
