| Karlovo to Rivarolo Canavese | 867.86 mi (1,396.69 km) |
| Karlovo to Rivoli | 875.76 mi (1,409.40 km) |
| Karlovo to Rocca di Papa | 621.22 mi (999.76 km) |
| Karlovo to Rocca Priora | 618.49 mi (995.36 km) |
| Karlovo to Roccapiemonte | 537.32 mi (864.74 km) |
| Karlovo to Roccastrada | 690.84 mi (1,111.80 km) |
| Karlovo to Romano di Lombardia | 771.97 mi (1,242.37 km) |
| Karlovo to Rome | 631.70 mi (1,016.63 km) |
| Karlovo to Roncade | 649.11 mi (1,044.65 km) |
| Karlovo to Ronchi dei Legionari | 600.88 mi (967.02 km) |
| Karlovo to Ronciglione | 641.69 mi (1,032.70 km) |
| Karlovo to Rosa | 679.23 mi (1,093.11 km) |
| Karlovo to Rosarno | 544.76 mi (876.71 km) |
| Karlovo to Rosignano Marittimo | 725.38 mi (1,167.38 km) |
| Karlovo to Rosolini | 659.87 mi (1,061.96 km) |
