| Royan to Karlovo | 1,292.53 mi (2,080.13 km) |
| Royan to Karnobat | 1,397.89 mi (2,249.69 km) |
| Royan to Kavarna | 1,446.70 mi (2,328.23 km) |
| Royan to Kazanlak | 1,321.76 mi (2,127.16 km) |
| Royan to Knezha | 1,240.45 mi (1,996.31 km) |
| Royan to Kostinbrod | 1,212.02 mi (1,950.56 km) |
| Royan to Kozloduy | 1,218.45 mi (1,960.91 km) |
| Royan to Kyustendil | 1,197.88 mi (1,927.80 km) |
| Royan to Levski | 1,293.65 mi (2,081.92 km) |
| Royan to Lom | 1,193.79 mi (1,921.22 km) |
| Royan to Lovech | 1,278.06 mi (2,056.84 km) |
| Royan to Lukovit | 1,250.19 mi (2,011.98 km) |
| Royan to Lyaskovets | 1,327.03 mi (2,135.64 km) |
| Royan to Mezdra | 1,228.62 mi (1,977.27 km) |
| Royan to Momchilgrad | 1,347.67 mi (2,168.86 km) |
