| Riorges to Karlovo | 1,049.42 mi (1,688.88 km) |
| Riorges to Karnobat | 1,153.70 mi (1,856.71 km) |
| Riorges to Kavarna | 1,201.01 mi (1,932.84 km) |
| Riorges to Kazanlak | 1,078.37 mi (1,735.47 km) |
| Riorges to Knezha | 995.91 mi (1,602.77 km) |
| Riorges to Kostinbrod | 969.46 mi (1,560.20 km) |
| Riorges to Kozloduy | 973.55 mi (1,566.77 km) |
| Riorges to Kyustendil | 957.31 mi (1,540.64 km) |
| Riorges to Levski | 1,048.95 mi (1,688.12 km) |
| Riorges to Lom | 948.98 mi (1,527.23 km) |
| Riorges to Lovech | 1,033.95 mi (1,663.99 km) |
| Riorges to Lukovit | 1,006.20 mi (1,619.32 km) |
| Riorges to Lyaskovets | 1,082.56 mi (1,742.21 km) |
| Riorges to Mezdra | 984.97 mi (1,585.15 km) |
| Riorges to Momchilgrad | 1,106.95 mi (1,781.47 km) |
