| Sable-sur-Sarthe to Karlovo | 1,268.31 mi (2,041.15 km) |
| Sable-sur-Sarthe to Karnobat | 1,368.96 mi (2,203.12 km) |
| Sable-sur-Sarthe to Kavarna | 1,409.34 mi (2,268.12 km) |
| Sable-sur-Sarthe to Kazanlak | 1,296.39 mi (2,086.34 km) |
| Sable-sur-Sarthe to Knezha | 1,210.86 mi (1,948.70 km) |
| Sable-sur-Sarthe to Kostinbrod | 1,190.13 mi (1,915.33 km) |
| Sable-sur-Sarthe to Kozloduy | 1,187.21 mi (1,910.63 km) |
| Sable-sur-Sarthe to Kyustendil | 1,181.85 mi (1,902.01 km) |
| Sable-sur-Sarthe to Levski | 1,262.97 mi (2,032.55 km) |
| Sable-sur-Sarthe to Lom | 1,163.20 mi (1,871.99 km) |
| Sable-sur-Sarthe to Lovech | 1,250.12 mi (2,011.87 km) |
| Sable-sur-Sarthe to Lukovit | 1,222.91 mi (1,968.08 km) |
| Sable-sur-Sarthe to Lyaskovets | 1,297.23 mi (2,087.70 km) |
| Sable-sur-Sarthe to Mezdra | 1,202.80 mi (1,935.71 km) |
| Sable-sur-Sarthe to Momchilgrad | 1,330.50 mi (2,141.23 km) |
