| Cities | Distance |
|---|
| Guastalla to Karlovo | 721.67 mi (1,161.41 km) |
| Guastalla to Karnobat | 827.68 mi (1,332.02 km) |
| Guastalla to Kavarna | 879.67 mi (1,415.69 km) |
| Guastalla to Kazanlak | 750.99 mi (1,208.60 km) |
| Guastalla to Knezha | 670.85 mi (1,079.64 km) |
| Guastalla to Kostinbrod | 641.06 mi (1,031.68 km) |
| Guastalla to Kozloduy | 649.60 mi (1,045.43 km) |
| Guastalla to Kyustendil | 627.49 mi (1,009.85 km) |
| Guastalla to Levski | 724.24 mi (1,165.56 km) |
| Guastalla to Lom | 624.79 mi (1,005.49 km) |
| Guastalla to Lovech | 707.87 mi (1,139.20 km) |
| Guastalla to Lukovit | 679.89 mi (1,094.18 km) |
| Guastalla to Lyaskovets | 757.22 mi (1,218.63 km) |
| Guastalla to Mezdra | 658.06 mi (1,059.04 km) |
| Guastalla to Momchilgrad | 777.24 mi (1,250.84 km) |
