| Falkirk to Karlovo | 1,565.82 mi (2,519.94 km) |
| Falkirk to Karnobat | 1,643.97 mi (2,645.71 km) |
| Falkirk to Kavarna | 1,654.80 mi (2,663.15 km) |
| Falkirk to Kazanlak | 1,588.14 mi (2,555.86 km) |
| Falkirk to Knezha | 1,498.01 mi (2,410.81 km) |
| Falkirk to Kostinbrod | 1,501.45 mi (2,416.35 km) |
| Falkirk to Kozloduy | 1,471.80 mi (2,368.63 km) |
| Falkirk to Kyustendil | 1,510.16 mi (2,430.36 km) |
| Falkirk to Levski | 1,541.89 mi (2,481.43 km) |
| Falkirk to Lom | 1,452.19 mi (2,337.07 km) |
| Falkirk to Lovech | 1,538.38 mi (2,475.78 km) |
| Falkirk to Lukovit | 1,515.67 mi (2,439.23 km) |
| Falkirk to Lyaskovets | 1,575.73 mi (2,535.89 km) |
| Falkirk to Mezdra | 1,501.70 mi (2,416.75 km) |
| Falkirk to Momchilgrad | 1,643.09 mi (2,644.31 km) |
