| Oak Grove to Karlovo | 6,031.16 mi (9,706.22 km) |
| Oak Grove to Karnobat | 6,072.39 mi (9,772.57 km) |
| Oak Grove to Kavarna | 6,044.31 mi (9,727.38 km) |
| Oak Grove to Kazanlak | 6,044.19 mi (9,727.18 km) |
| Oak Grove to Knezha | 5,962.52 mi (9,595.75 km) |
| Oak Grove to Kostinbrod | 5,988.94 mi (9,638.26 km) |
| Oak Grove to Kozloduy | 5,937.69 mi (9,555.79 km) |
| Oak Grove to Kyustendil | 6,011.97 mi (9,675.33 km) |
| Oak Grove to Levski | 5,991.09 mi (9,641.72 km) |
| Oak Grove to Lom | 5,925.30 mi (9,535.86 km) |
| Oak Grove to Lovech | 5,998.03 mi (9,652.90 km) |
| Oak Grove to Lukovit | 5,983.26 mi (9,629.13 km) |
| Oak Grove to Lyaskovets | 6,019.11 mi (9,686.83 km) |
| Oak Grove to Mezdra | 5,977.34 mi (9,619.60 km) |
| Oak Grove to Momchilgrad | 6,114.00 mi (9,839.53 km) |
