| Delray Beach to Karlovo | 5,692.38 mi (9,161.00 km) |
| Delray Beach to Karnobat | 5,788.62 mi (9,315.89 km) |
| Delray Beach to Kavarna | 5,818.63 mi (9,364.18 km) |
| Delray Beach to Kazanlak | 5,719.55 mi (9,204.72 km) |
| Delray Beach to Knezha | 5,631.78 mi (9,063.48 km) |
| Delray Beach to Kostinbrod | 5,615.83 mi (9,037.80 km) |
| Delray Beach to Kozloduy | 5,607.06 mi (9,023.70 km) |
| Delray Beach to Kyustendil | 5,609.20 mi (9,027.14 km) |
| Delray Beach to Levski | 5,682.33 mi (9,144.83 km) |
| Delray Beach to Lom | 5,583.90 mi (8,986.41 km) |
| Delray Beach to Lovech | 5,671.87 mi (9,128.00 km) |
| Delray Beach to Lukovit | 5,645.41 mi (9,085.41 km) |
| Delray Beach to Lyaskovets | 5,716.97 mi (9,200.57 km) |
| Delray Beach to Mezdra | 5,626.41 mi (9,054.84 km) |
| Delray Beach to Momchilgrad | 5,757.32 mi (9,265.51 km) |
