| Trondheim to Rivalta di Torino | 1,276.00 mi (2,053.52 km) |
| Trondheim to Rivarolo Canavese | 1,254.85 mi (2,019.48 km) |
| Trondheim to Rivoli | 1,273.54 mi (2,049.57 km) |
| Trondheim to Rocca di Papa | 1,499.71 mi (2,413.54 km) |
| Trondheim to Rocca Priora | 1,498.69 mi (2,411.91 km) |
| Trondheim to Roccapiemonte | 1,575.97 mi (2,536.29 km) |
| Trondheim to Roccastrada | 1,411.22 mi (2,271.15 km) |
| Trondheim to Romano di Lombardia | 1,237.92 mi (1,992.24 km) |
| Trondheim to Rome | 1,490.42 mi (2,398.60 km) |
| Trondheim to Roncade | 1,232.64 mi (1,983.74 km) |
| Trondheim to Ronchi dei Legionari | 1,221.78 mi (1,966.26 km) |
| Trondheim to Ronciglione | 1,462.49 mi (2,353.65 km) |
| Trondheim to Rosa | 1,225.02 mi (1,971.47 km) |
| Trondheim to Rosarno | 1,739.06 mi (2,798.74 km) |
| Trondheim to Rosignano Marittimo | 1,383.92 mi (2,227.21 km) |
