| Cities | Distance |
|---|---|
| Viterbo to Karlovo | 646.36 mi (1,040.21 km) |
| Viterbo to Karnobat | 756.81 mi (1,217.97 km) |
| Viterbo to Kavarna | 822.75 mi (1,324.08 km) |
| Viterbo to Kazanlak | 676.55 mi (1,088.80 km) |
| Viterbo to Knezha | 609.77 mi (981.34 km) |
| Viterbo to Kostinbrod | 565.27 mi (909.72 km) |
| Viterbo to Kozloduy | 593.69 mi (955.44 km) |
| Viterbo to Kyustendil | 539.92 mi (868.92 km) |
| Viterbo to Levski | 662.09 mi (1,065.54 km) |
| Viterbo to Lom | 569.36 mi (916.30 km) |
| Viterbo to Lovech | 640.97 mi (1,031.54 km) |
| Viterbo to Lukovit | 613.27 mi (986.96 km) |
| Viterbo to Lyaskovets | 691.39 mi (1,112.69 km) |
| Viterbo to Mezdra | 589.70 mi (949.03 km) |
| Viterbo to Momchilgrad | 685.83 mi (1,103.73 km) |