| Clausthal-Zellerfeld to Rivarolo Canavese | 462.96 mi (745.06 km) |
| Clausthal-Zellerfeld to Rivoli | 482.86 mi (777.09 km) |
| Clausthal-Zellerfeld to Rocca di Papa | 702.57 mi (1,130.67 km) |
| Clausthal-Zellerfeld to Rocca Priora | 701.81 mi (1,129.45 km) |
| Clausthal-Zellerfeld to Roccapiemonte | 790.51 mi (1,272.20 km) |
| Clausthal-Zellerfeld to Roccastrada | 608.93 mi (979.98 km) |
| Clausthal-Zellerfeld to Romano di Lombardia | 435.30 mi (700.54 km) |
| Clausthal-Zellerfeld to Rome | 692.24 mi (1,114.05 km) |
| Clausthal-Zellerfeld to Roncade | 437.00 mi (703.28 km) |
| Clausthal-Zellerfeld to Ronchi dei Legionari | 436.89 mi (703.10 km) |
| Clausthal-Zellerfeld to Ronciglione | 663.33 mi (1,067.52 km) |
| Clausthal-Zellerfeld to Rosa | 425.66 mi (685.03 km) |
| Clausthal-Zellerfeld to Rosarno | 959.81 mi (1,544.67 km) |
| Clausthal-Zellerfeld to Rosignano Marittimo | 580.76 mi (934.64 km) |
| Clausthal-Zellerfeld to Rosolini | 1,059.87 mi (1,705.70 km) |
