| Rennes to Karlovo | 1,332.35 mi (2,144.20 km) |
| Rennes to Karnobat | 1,432.55 mi (2,305.47 km) |
| Rennes to Kavarna | 1,472.07 mi (2,369.07 km) |
| Rennes to Kazanlak | 1,360.33 mi (2,189.23 km) |
| Rennes to Knezha | 1,274.51 mi (2,051.13 km) |
| Rennes to Kostinbrod | 1,254.38 mi (2,018.72 km) |
| Rennes to Kozloduy | 1,250.73 mi (2,012.86 km) |
| Rennes to Kyustendil | 1,246.44 mi (2,005.95 km) |
| Rennes to Levski | 1,326.48 mi (2,134.76 km) |
| Rennes to Lom | 1,226.80 mi (1,974.35 km) |
| Rennes to Lovech | 1,313.88 mi (2,114.48 km) |
| Rennes to Lukovit | 1,286.74 mi (2,070.81 km) |
| Rennes to Lyaskovets | 1,360.80 mi (2,190.00 km) |
| Rennes to Mezdra | 1,266.76 mi (2,038.65 km) |
| Rennes to Momchilgrad | 1,394.96 mi (2,244.97 km) |
