| Ruston to Karlovo | 5,907.32 mi (9,506.91 km) |
| Ruston to Karnobat | 5,989.91 mi (9,639.83 km) |
| Ruston to Kavarna | 6,001.79 mi (9,658.95 km) |
| Ruston to Kazanlak | 5,931.10 mi (9,545.19 km) |
| Ruston to Knezha | 5,840.89 mi (9,400.00 km) |
| Ruston to Kostinbrod | 5,838.44 mi (9,396.06 km) |
| Ruston to Kozloduy | 5,814.85 mi (9,358.10 km) |
| Ruston to Kyustendil | 5,841.48 mi (9,400.96 km) |
| Ruston to Levski | 5,886.60 mi (9,473.57 km) |
| Ruston to Lom | 5,794.14 mi (9,324.77 km) |
| Ruston to Lovech | 5,881.49 mi (9,465.35 km) |
| Ruston to Lukovit | 5,857.62 mi (9,426.93 km) |
| Ruston to Lyaskovets | 5,920.78 mi (9,528.58 km) |
| Ruston to Mezdra | 5,842.07 mi (9,401.90 km) |
| Ruston to Momchilgrad | 5,981.61 mi (9,626.48 km) |
