| Fountain Inn to Karlovo | 5,385.90 mi (8,667.77 km) |
| Fountain Inn to Karnobat | 5,474.50 mi (8,810.36 km) |
| Fountain Inn to Kavarna | 5,494.02 mi (8,841.78 km) |
| Fountain Inn to Kazanlak | 5,411.18 mi (8,708.45 km) |
| Fountain Inn to Knezha | 5,321.46 mi (8,564.07 km) |
| Fountain Inn to Kostinbrod | 5,313.57 mi (8,551.37 km) |
| Fountain Inn to Kozloduy | 5,295.82 mi (8,522.80 km) |
| Fountain Inn to Kyustendil | 5,312.82 mi (8,550.16 km) |
| Fountain Inn to Levski | 5,369.40 mi (8,641.22 km) |
| Fountain Inn to Lom | 5,274.00 mi (8,487.68 km) |
| Fountain Inn to Lovech | 5,362.08 mi (8,629.44 km) |
| Fountain Inn to Lukovit | 5,337.03 mi (8,589.12 km) |
| Fountain Inn to Lyaskovets | 5,403.96 mi (8,696.83 km) |
| Fountain Inn to Mezdra | 5,320.00 mi (8,561.72 km) |
| Fountain Inn to Momchilgrad | 5,456.85 mi (8,781.95 km) |
