| Saint-Nazaire to Karlovo | 1,351.89 mi (2,175.65 km) |
| Saint-Nazaire to Karnobat | 1,454.05 mi (2,340.07 km) |
| Saint-Nazaire to Kavarna | 1,496.76 mi (2,408.80 km) |
| Saint-Nazaire to Kazanlak | 1,380.35 mi (2,221.46 km) |
| Saint-Nazaire to Knezha | 1,295.91 mi (2,085.57 km) |
| Saint-Nazaire to Kostinbrod | 1,272.87 mi (2,048.49 km) |
| Saint-Nazaire to Kozloduy | 1,272.68 mi (2,048.18 km) |
| Saint-Nazaire to Kyustendil | 1,262.73 mi (2,032.17 km) |
| Saint-Nazaire to Levski | 1,348.40 mi (2,170.05 km) |
| Saint-Nazaire to Lom | 1,248.45 mi (2,009.18 km) |
| Saint-Nazaire to Lovech | 1,334.76 mi (2,148.09 km) |
| Saint-Nazaire to Lukovit | 1,307.31 mi (2,103.92 km) |
| Saint-Nazaire to Lyaskovets | 1,382.47 mi (2,224.88 km) |
| Saint-Nazaire to Mezdra | 1,286.74 mi (2,070.81 km) |
| Saint-Nazaire to Momchilgrad | 1,412.00 mi (2,272.39 km) |
