| Santo Tirso to Karlovo | 1,700.16 mi (2,736.14 km) |
| Santo Tirso to Karnobat | 1,809.56 mi (2,912.20 km) |
| Santo Tirso to Kavarna | 1,868.43 mi (3,006.94 km) |
| Santo Tirso to Kazanlak | 1,730.24 mi (2,784.55 km) |
| Santo Tirso to Knezha | 1,656.45 mi (2,665.79 km) |
| Santo Tirso to Kostinbrod | 1,618.56 mi (2,604.82 km) |
| Santo Tirso to Kozloduy | 1,637.08 mi (2,634.63 km) |
| Santo Tirso to Kyustendil | 1,596.62 mi (2,569.52 km) |
| Santo Tirso to Levski | 1,709.83 mi (2,751.71 km) |
| Santo Tirso to Lom | 1,612.20 mi (2,594.58 km) |
| Santo Tirso to Lovech | 1,691.04 mi (2,721.46 km) |
| Santo Tirso to Lukovit | 1,662.95 mi (2,676.26 km) |
| Santo Tirso to Lyaskovets | 1,741.33 mi (2,802.39 km) |
| Santo Tirso to Mezdra | 1,640.01 mi (2,639.34 km) |
| Santo Tirso to Momchilgrad | 1,743.85 mi (2,806.45 km) |
