| Tadley to Karlovo | 1,352.85 mi (2,177.20 km) |
| Tadley to Karnobat | 1,444.01 mi (2,323.91 km) |
| Tadley to Kavarna | 1,470.69 mi (2,366.84 km) |
| Tadley to Kazanlak | 1,378.53 mi (2,218.53 km) |
| Tadley to Knezha | 1,289.20 mi (2,074.76 km) |
| Tadley to Kostinbrod | 1,280.26 mi (2,060.38 km) |
| Tadley to Kozloduy | 1,263.81 mi (2,033.90 km) |
| Tadley to Kyustendil | 1,280.49 mi (2,060.75 km) |
| Tadley to Levski | 1,338.17 mi (2,153.57 km) |
| Tadley to Lom | 1,241.53 mi (1,998.05 km) |
| Tadley to Lovech | 1,329.73 mi (2,139.99 km) |
| Tadley to Lukovit | 1,304.28 mi (2,099.03 km) |
| Tadley to Lyaskovets | 1,372.83 mi (2,209.35 km) |
| Tadley to Mezdra | 1,286.88 mi (2,071.03 km) |
| Tadley to Momchilgrad | 1,423.56 mi (2,291.00 km) |
