| Watertown to Karlovo | 4,709.80 mi (7,579.68 km) |
| Watertown to Karnobat | 4,793.84 mi (7,714.95 km) |
| Watertown to Kavarna | 4,808.02 mi (7,737.76 km) |
| Watertown to Kazanlak | 4,733.91 mi (7,618.49 km) |
| Watertown to Knezha | 4,643.75 mi (7,473.39 km) |
| Watertown to Kostinbrod | 4,640.25 mi (7,467.76 km) |
| Watertown to Kozloduy | 4,617.78 mi (7,431.60 km) |
| Watertown to Kyustendil | 4,642.75 mi (7,471.79 km) |
| Watertown to Levski | 4,690.01 mi (7,547.83 km) |
| Watertown to Lom | 4,596.81 mi (7,397.86 km) |
| Watertown to Lovech | 4,684.38 mi (7,538.78 km) |
| Watertown to Lukovit | 4,660.24 mi (7,499.93 km) |
| Watertown to Lyaskovets | 4,724.30 mi (7,603.03 km) |
| Watertown to Mezdra | 4,644.38 mi (7,474.41 km) |
| Watertown to Momchilgrad | 4,783.51 mi (7,698.31 km) |
