| Thiais to Karlovo | 1,156.02 mi (1,860.43 km) |
| Thiais to Karnobat | 1,253.39 mi (2,017.13 km) |
| Thiais to Kavarna | 1,289.13 mi (2,074.65 km) |
| Thiais to Kazanlak | 1,183.26 mi (1,904.27 km) |
| Thiais to Knezha | 1,095.93 mi (1,763.73 km) |
| Thiais to Kostinbrod | 1,079.80 mi (1,737.77 km) |
| Thiais to Kozloduy | 1,071.52 mi (1,724.44 km) |
| Thiais to Kyustendil | 1,075.16 mi (1,730.30 km) |
| Thiais to Levski | 1,147.07 mi (1,846.03 km) |
| Thiais to Lom | 1,048.05 mi (1,686.68 km) |
| Thiais to Lovech | 1,135.83 mi (1,827.94 km) |
| Thiais to Lukovit | 1,109.19 mi (1,785.06 km) |
| Thiais to Lyaskovets | 1,181.61 mi (1,901.62 km) |
| Thiais to Mezdra | 1,090.06 mi (1,754.28 km) |
| Thiais to Momchilgrad | 1,221.95 mi (1,966.53 km) |
