| Sliven to Rivarolo Canavese | 940.81 mi (1,514.09 km) |
| Sliven to Rivoli | 949.25 mi (1,527.67 km) |
| Sliven to Rocca di Papa | 698.79 mi (1,124.60 km) |
| Sliven to Rocca Priora | 696.06 mi (1,120.20 km) |
| Sliven to Roccapiemonte | 614.24 mi (988.52 km) |
| Sliven to Roccastrada | 767.51 mi (1,235.19 km) |
| Sliven to Romano di Lombardia | 844.12 mi (1,358.49 km) |
| Sliven to Rome | 709.24 mi (1,141.42 km) |
| Sliven to Roncade | 720.02 mi (1,158.76 km) |
| Sliven to Ronchi dei Legionari | 670.41 mi (1,078.92 km) |
| Sliven to Ronciglione | 719.05 mi (1,157.20 km) |
| Sliven to Rosa | 750.14 mi (1,207.24 km) |
| Sliven to Rosarno | 615.25 mi (990.16 km) |
| Sliven to Rosignano Marittimo | 801.54 mi (1,289.95 km) |
| Sliven to Rosolini | 726.97 mi (1,169.95 km) |
