| Gaillac to Karlovo | 1,152.04 mi (1,854.04 km) |
| Gaillac to Karnobat | 1,260.24 mi (2,028.16 km) |
| Gaillac to Kavarna | 1,315.95 mi (2,117.82 km) |
| Gaillac to Kazanlak | 1,181.89 mi (1,902.06 km) |
| Gaillac to Knezha | 1,105.19 mi (1,778.64 km) |
| Gaillac to Kostinbrod | 1,070.58 mi (1,722.93 km) |
| Gaillac to Kozloduy | 1,084.97 mi (1,746.09 km) |
| Gaillac to Kyustendil | 1,051.85 mi (1,692.79 km) |
| Gaillac to Levski | 1,158.67 mi (1,864.71 km) |
| Gaillac to Lom | 1,060.08 mi (1,706.03 km) |
| Gaillac to Lovech | 1,140.90 mi (1,836.10 km) |
| Gaillac to Lukovit | 1,112.80 mi (1,790.88 km) |
| Gaillac to Lyaskovets | 1,190.88 mi (1,916.54 km) |
| Gaillac to Mezdra | 1,090.27 mi (1,754.62 km) |
| Gaillac to Momchilgrad | 1,200.88 mi (1,932.63 km) |
