| Antrim to Karlovo | 1,622.86 mi (2,611.74 km) |
| Antrim to Karnobat | 1,706.49 mi (2,746.33 km) |
| Antrim to Kavarna | 1,723.29 mi (2,773.37 km) |
| Antrim to Kazanlak | 1,646.63 mi (2,650.00 km) |
| Antrim to Knezha | 1,556.43 mi (2,504.83 km) |
| Antrim to Kostinbrod | 1,554.80 mi (2,502.21 km) |
| Antrim to Kozloduy | 1,530.42 mi (2,462.97 km) |
| Antrim to Kyustendil | 1,559.89 mi (2,510.40 km) |
| Antrim to Levski | 1,602.52 mi (2,579.01 km) |
| Antrim to Lom | 1,509.65 mi (2,429.55 km) |
| Antrim to Lovech | 1,597.05 mi (2,570.20 km) |
| Antrim to Lukovit | 1,573.13 mi (2,531.71 km) |
| Antrim to Lyaskovets | 1,636.83 mi (2,634.22 km) |
| Antrim to Mezdra | 1,557.70 mi (2,506.88 km) |
| Antrim to Momchilgrad | 1,697.72 mi (2,732.21 km) |
