| River Grove to Karlovo | 5,251.15 mi (8,450.91 km) |
| River Grove to Karnobat | 5,329.11 mi (8,576.37 km) |
| River Grove to Kavarna | 5,335.99 mi (8,587.45 km) |
| River Grove to Kazanlak | 5,273.73 mi (8,487.25 km) |
| River Grove to Knezha | 5,183.57 mi (8,342.14 km) |
| River Grove to Kostinbrod | 5,185.19 mi (8,344.76 km) |
| River Grove to Kozloduy | 5,157.37 mi (8,299.99 km) |
| River Grove to Kyustendil | 5,191.23 mi (8,354.48 km) |
| River Grove to Levski | 5,227.49 mi (8,412.83 km) |
| River Grove to Lom | 5,137.56 mi (8,268.10 km) |
| River Grove to Lovech | 5,223.98 mi (8,407.18 km) |
| River Grove to Lukovit | 5,201.07 mi (8,370.32 km) |
| River Grove to Lyaskovets | 5,261.26 mi (8,467.18 km) |
| River Grove to Mezdra | 5,186.68 mi (8,347.16 km) |
| River Grove to Momchilgrad | 5,327.61 mi (8,573.96 km) |
