| Boca Raton to Karlovo | 5,697.00 mi (9,168.44 km) |
| Boca Raton to Karnobat | 5,793.29 mi (9,323.40 km) |
| Boca Raton to Kavarna | 5,823.36 mi (9,371.79 km) |
| Boca Raton to Kazanlak | 5,724.18 mi (9,212.18 km) |
| Boca Raton to Knezha | 5,636.43 mi (9,070.96 km) |
| Boca Raton to Kostinbrod | 5,620.43 mi (9,045.20 km) |
| Boca Raton to Kozloduy | 5,611.72 mi (9,031.19 km) |
| Boca Raton to Kyustendil | 5,613.76 mi (9,034.47 km) |
| Boca Raton to Levski | 5,686.99 mi (9,152.33 km) |
| Boca Raton to Lom | 5,588.54 mi (8,993.89 km) |
| Boca Raton to Lovech | 5,676.52 mi (9,135.47 km) |
| Boca Raton to Lukovit | 5,650.04 mi (9,092.87 km) |
| Boca Raton to Lyaskovets | 5,721.63 mi (9,208.07 km) |
| Boca Raton to Mezdra | 5,631.04 mi (9,062.28 km) |
| Boca Raton to Momchilgrad | 5,761.89 mi (9,272.87 km) |
