| Ottawa to Karlovo | 5,314.88 mi (8,553.47 km) |
| Ottawa to Karnobat | 5,392.64 mi (8,678.61 km) |
| Ottawa to Kavarna | 5,399.26 mi (8,689.27 km) |
| Ottawa to Kazanlak | 5,337.41 mi (8,589.73 km) |
| Ottawa to Knezha | 5,247.26 mi (8,444.64 km) |
| Ottawa to Kostinbrod | 5,249.04 mi (8,447.51 km) |
| Ottawa to Kozloduy | 5,221.06 mi (8,402.48 km) |
| Ottawa to Kyustendil | 5,255.17 mi (8,457.38 km) |
| Ottawa to Levski | 5,291.10 mi (8,515.21 km) |
| Ottawa to Lom | 5,201.28 mi (8,370.65 km) |
| Ottawa to Lovech | 5,287.66 mi (8,509.66 km) |
| Ottawa to Lukovit | 5,264.79 mi (8,472.86 km) |
| Ottawa to Lyaskovets | 5,324.85 mi (8,569.52 km) |
| Ottawa to Mezdra | 5,250.44 mi (8,449.77 km) |
| Ottawa to Momchilgrad | 5,391.42 mi (8,676.65 km) |
