| Saint-Cyr-sur-Mer to Karlovo | 965.06 mi (1,553.12 km) |
| Saint-Cyr-sur-Mer to Karnobat | 1,074.42 mi (1,729.11 km) |
| Saint-Cyr-sur-Mer to Kavarna | 1,134.13 mi (1,825.21 km) |
| Saint-Cyr-sur-Mer to Kazanlak | 995.13 mi (1,601.50 km) |
| Saint-Cyr-sur-Mer to Knezha | 921.70 mi (1,483.34 km) |
| Saint-Cyr-sur-Mer to Kostinbrod | 883.46 mi (1,421.79 km) |
| Saint-Cyr-sur-Mer to Kozloduy | 902.78 mi (1,452.89 km) |
| Saint-Cyr-sur-Mer to Kyustendil | 862.23 mi (1,387.62 km) |
| Saint-Cyr-sur-Mer to Levski | 975.02 mi (1,569.15 km) |
| Saint-Cyr-sur-Mer to Lom | 877.93 mi (1,412.89 km) |
| Saint-Cyr-sur-Mer to Lovech | 955.98 mi (1,538.51 km) |
| Saint-Cyr-sur-Mer to Lukovit | 927.91 mi (1,493.33 km) |
| Saint-Cyr-sur-Mer to Lyaskovets | 1,006.31 mi (1,619.50 km) |
| Saint-Cyr-sur-Mer to Mezdra | 904.91 mi (1,456.32 km) |
| Saint-Cyr-sur-Mer to Momchilgrad | 1,010.29 mi (1,625.90 km) |
