| Gretz-Armainvilliers to Karlovo | 1,140.48 mi (1,835.42 km) |
| Gretz-Armainvilliers to Karnobat | 1,237.78 mi (1,992.01 km) |
| Gretz-Armainvilliers to Kavarna | 1,273.47 mi (2,049.45 km) |
| Gretz-Armainvilliers to Kazanlak | 1,167.70 mi (1,879.23 km) |
| Gretz-Armainvilliers to Knezha | 1,080.33 mi (1,738.63 km) |
| Gretz-Armainvilliers to Kostinbrod | 1,064.32 mi (1,712.85 km) |
| Gretz-Armainvilliers to Kozloduy | 1,055.91 mi (1,699.32 km) |
| Gretz-Armainvilliers to Kyustendil | 1,059.79 mi (1,705.57 km) |
| Gretz-Armainvilliers to Levski | 1,131.46 mi (1,820.90 km) |
| Gretz-Armainvilliers to Lom | 1,032.46 mi (1,661.58 km) |
| Gretz-Armainvilliers to Lovech | 1,120.25 mi (1,802.86 km) |
| Gretz-Armainvilliers to Lukovit | 1,093.62 mi (1,760.01 km) |
| Gretz-Armainvilliers to Lyaskovets | 1,166.00 mi (1,876.50 km) |
| Gretz-Armainvilliers to Mezdra | 1,074.51 mi (1,729.26 km) |
| Gretz-Armainvilliers to Momchilgrad | 1,206.50 mi (1,941.68 km) |
