| Seraing to Karnobat | 1,152.32 mi (1,854.47 km) |
| Seraing to Kavarna | 1,177.47 mi (1,894.95 km) |
| Seraing to Kazanlak | 1,088.33 mi (1,751.49 km) |
| Seraing to Knezha | 998.59 mi (1,607.07 km) |
| Seraing to Kostinbrod | 992.49 mi (1,597.26 km) |
| Seraing to Kozloduy | 972.97 mi (1,565.84 km) |
| Seraing to Kyustendil | 995.35 mi (1,601.85 km) |
| Seraing to Levski | 1,046.80 mi (1,684.67 km) |
| Seraing to Lom | 951.13 mi (1,530.70 km) |
| Seraing to Lovech | 1,039.21 mi (1,672.44 km) |
| Seraing to Lukovit | 1,014.22 mi (1,632.24 km) |
| Seraing to Lyaskovets | 1,081.42 mi (1,740.37 km) |
| Seraing to Mezdra | 997.52 mi (1,605.35 km) |
| Seraing to Momchilgrad | 1,135.81 mi (1,827.91 km) |
| Seraing to Montana | 967.60 mi (1,557.20 km) |
