| Rathfarnham to Karlovo | 1,598.29 mi (2,572.20 km) |
| Rathfarnham to Karnobat | 1,686.08 mi (2,713.48 km) |
| Rathfarnham to Kavarna | 1,707.87 mi (2,748.55 km) |
| Rathfarnham to Kazanlak | 1,623.14 mi (2,612.19 km) |
| Rathfarnham to Knezha | 1,533.26 mi (2,467.54 km) |
| Rathfarnham to Kostinbrod | 1,527.59 mi (2,458.41 km) |
| Rathfarnham to Kozloduy | 1,507.53 mi (2,426.14 km) |
| Rathfarnham to Kyustendil | 1,529.83 mi (2,462.03 km) |
| Rathfarnham to Levski | 1,580.96 mi (2,544.30 km) |
| Rathfarnham to Lom | 1,485.92 mi (2,391.36 km) |
| Rathfarnham to Lovech | 1,573.90 mi (2,532.95 km) |
| Rathfarnham to Lukovit | 1,549.12 mi (2,493.06 km) |
| Rathfarnham to Lyaskovets | 1,615.51 mi (2,599.91 km) |
| Rathfarnham to Mezdra | 1,532.58 mi (2,466.45 km) |
| Rathfarnham to Momchilgrad | 1,670.92 mi (2,689.08 km) |
