| Americus to Karlovo | 5,596.43 mi (9,006.59 km) |
| Americus to Karnobat | 5,685.80 mi (9,150.41 km) |
| Americus to Kavarna | 5,706.22 mi (9,183.27 km) |
| Americus to Kazanlak | 5,621.91 mi (9,047.59 km) |
| Americus to Knezha | 5,532.31 mi (8,903.40 km) |
| Americus to Kostinbrod | 5,523.65 mi (8,889.45 km) |
| Americus to Kozloduy | 5,506.74 mi (8,862.24 km) |
| Americus to Kyustendil | 5,522.30 mi (8,887.28 km) |
| Americus to Levski | 5,580.52 mi (8,980.98 km) |
| Americus to Lom | 5,484.78 mi (8,826.90 km) |
| Americus to Lovech | 5,572.91 mi (8,968.74 km) |
| Americus to Lukovit | 5,547.71 mi (8,928.18 km) |
| Americus to Lyaskovets | 5,615.11 mi (9,036.64 km) |
| Americus to Mezdra | 5,530.48 mi (8,900.46 km) |
| Americus to Momchilgrad | 5,666.85 mi (9,119.91 km) |
