| Ronciglione to Karlovo | 641.69 mi (1,032.70 km) |
| Ronciglione to Karnobat | 752.21 mi (1,210.56 km) |
| Ronciglione to Kavarna | 818.86 mi (1,317.83 km) |
| Ronciglione to Kazanlak | 671.88 mi (1,081.28 km) |
| Ronciglione to Knezha | 606.03 mi (975.31 km) |
| Ronciglione to Kostinbrod | 560.76 mi (902.46 km) |
| Ronciglione to Kozloduy | 590.29 mi (949.98 km) |
| Ronciglione to Kyustendil | 534.76 mi (860.62 km) |
| Ronciglione to Levski | 658.17 mi (1,059.22 km) |
| Ronciglione to Lom | 566.06 mi (910.98 km) |
| Ronciglione to Lovech | 636.81 mi (1,024.84 km) |
| Ronciglione to Lukovit | 609.19 mi (980.39 km) |
| Ronciglione to Lyaskovets | 687.19 mi (1,105.93 km) |
| Ronciglione to Mezdra | 585.57 mi (942.38 km) |
| Ronciglione to Momchilgrad | 680.14 mi (1,094.58 km) |
