| Cities | Distance |
|---|---|
| Speyer to Karlovo | 908.75 mi (1,462.49 km) |
| Speyer to Karnobat | 999.79 mi (1,609.00 km) |
| Speyer to Kavarna | 1,028.25 mi (1,654.80 km) |
| Speyer to Kazanlak | 934.27 mi (1,503.56 km) |
| Speyer to Knezha | 844.87 mi (1,359.69 km) |
| Speyer to Kostinbrod | 836.96 mi (1,346.96 km) |
| Speyer to Kozloduy | 819.47 mi (1,318.81 km) |
| Speyer to Kyustendil | 838.99 mi (1,350.22 km) |
| Speyer to Levski | 893.88 mi (1,438.56 km) |
| Speyer to Lom | 797.22 mi (1,283.00 km) |
| Speyer to Lovech | 885.41 mi (1,424.93 km) |
| Speyer to Lukovit | 860.04 mi (1,384.09 km) |
| Speyer to Lyaskovets | 928.54 mi (1,494.34 km) |
| Speyer to Mezdra | 842.83 mi (1,356.41 km) |
| Speyer to Momchilgrad | 980.32 mi (1,577.66 km) |