| River Forest to Karlovo | 5,251.93 mi (8,452.17 km) |
| River Forest to Karnobat | 5,329.93 mi (8,577.70 km) |
| River Forest to Kavarna | 5,336.86 mi (8,588.85 km) |
| River Forest to Kazanlak | 5,274.52 mi (8,488.52 km) |
| River Forest to Knezha | 5,184.36 mi (8,343.41 km) |
| River Forest to Kostinbrod | 5,185.95 mi (8,345.98 km) |
| River Forest to Kozloduy | 5,158.16 mi (8,301.26 km) |
| River Forest to Kyustendil | 5,191.96 mi (8,355.66 km) |
| River Forest to Levski | 5,228.30 mi (8,414.13 km) |
| River Forest to Lom | 5,138.34 mi (8,269.36 km) |
| River Forest to Lovech | 5,224.77 mi (8,408.45 km) |
| River Forest to Lukovit | 5,201.86 mi (8,371.58 km) |
| River Forest to Lyaskovets | 5,262.07 mi (8,468.49 km) |
| River Forest to Mezdra | 5,187.45 mi (8,348.40 km) |
| River Forest to Momchilgrad | 5,328.38 mi (8,575.19 km) |
