| Fostoria to Karlovo | 5,124.93 mi (8,247.78 km) |
| Fostoria to Karnobat | 5,206.86 mi (8,379.63 km) |
| Fostoria to Kavarna | 5,218.33 mi (8,398.08 km) |
| Fostoria to Kazanlak | 5,148.52 mi (8,285.75 km) |
| Fostoria to Knezha | 5,058.29 mi (8,140.53 km) |
| Fostoria to Kostinbrod | 5,056.58 mi (8,137.78 km) |
| Fostoria to Kozloduy | 5,032.23 mi (8,098.59 km) |
| Fostoria to Kyustendil | 5,060.28 mi (8,143.74 km) |
| Fostoria to Levski | 5,103.75 mi (8,213.69 km) |
| Fostoria to Lom | 5,011.65 mi (8,065.48 km) |
| Fostoria to Lovech | 5,098.88 mi (8,205.85 km) |
| Fostoria to Lukovit | 5,075.16 mi (8,167.68 km) |
| Fostoria to Lyaskovets | 5,137.88 mi (8,268.62 km) |
| Fostoria to Mezdra | 5,059.80 mi (8,142.96 km) |
| Fostoria to Momchilgrad | 5,199.65 mi (8,368.03 km) |
