| Cities | Distance |
|---|---|
| Sierre to Karlovo | 886.30 mi (1,426.36 km) |
| Sierre to Karnobat | 989.15 mi (1,591.88 km) |
| Sierre to Kavarna | 1,034.49 mi (1,664.85 km) |
| Sierre to Kazanlak | 914.87 mi (1,472.35 km) |
| Sierre to Knezha | 831.08 mi (1,337.50 km) |
| Sierre to Kostinbrod | 807.18 mi (1,299.02 km) |
| Sierre to Kozloduy | 808.25 mi (1,300.74 km) |
| Sierre to Kyustendil | 797.46 mi (1,283.38 km) |
| Sierre to Levski | 883.85 mi (1,422.42 km) |
| Sierre to Lom | 783.83 mi (1,261.46 km) |
| Sierre to Lovech | 869.63 mi (1,399.53 km) |
| Sierre to Lukovit | 842.06 mi (1,355.17 km) |
| Sierre to Lyaskovets | 917.73 mi (1,476.94 km) |
| Sierre to Mezdra | 821.29 mi (1,321.73 km) |
| Sierre to Momchilgrad | 946.51 mi (1,523.26 km) |