| Sumner to Karlovo | 5,909.27 mi (9,510.06 km) |
| Sumner to Karnobat | 5,949.71 mi (9,575.13 km) |
| Sumner to Kavarna | 5,921.05 mi (9,529.00 km) |
| Sumner to Kazanlak | 5,922.08 mi (9,530.67 km) |
| Sumner to Knezha | 5,840.73 mi (9,399.74 km) |
| Sumner to Kostinbrod | 5,867.64 mi (9,443.05 km) |
| Sumner to Kozloduy | 5,815.97 mi (9,359.89 km) |
| Sumner to Kyustendil | 5,891.02 mi (9,480.68 km) |
| Sumner to Levski | 5,868.92 mi (9,445.12 km) |
| Sumner to Lom | 5,803.76 mi (9,340.25 km) |
| Sumner to Lovech | 5,876.07 mi (9,456.63 km) |
| Sumner to Lukovit | 5,861.50 mi (9,433.17 km) |
| Sumner to Lyaskovets | 5,896.79 mi (9,489.97 km) |
| Sumner to Mezdra | 5,855.77 mi (9,423.94 km) |
| Sumner to Momchilgrad | 5,992.10 mi (9,643.36 km) |
