| Westerville to Karlovo | 5,155.41 mi (8,296.84 km) |
| Westerville to Karnobat | 5,238.68 mi (8,430.84 km) |
| Westerville to Kavarna | 5,251.70 mi (8,451.80 km) |
| Westerville to Kazanlak | 5,179.34 mi (8,335.35 km) |
| Westerville to Knezha | 5,089.15 mi (8,190.19 km) |
| Westerville to Kostinbrod | 5,086.26 mi (8,185.54 km) |
| Westerville to Kozloduy | 5,063.15 mi (8,148.35 km) |
| Westerville to Kyustendil | 5,089.11 mi (8,190.13 km) |
| Westerville to Levski | 5,135.11 mi (8,264.16 km) |
| Westerville to Lom | 5,042.32 mi (8,114.83 km) |
| Westerville to Lovech | 5,129.77 mi (8,255.57 km) |
| Westerville to Lukovit | 5,105.78 mi (8,216.95 km) |
| Westerville to Lyaskovets | 5,169.35 mi (8,319.27 km) |
| Westerville to Mezdra | 5,090.09 mi (8,191.71 km) |
| Westerville to Momchilgrad | 5,229.47 mi (8,416.02 km) |
