| Newcastle under Lyme to Karlovo | 1,431.69 mi (2,304.08 km) |
| Newcastle under Lyme to Karnobat | 1,518.30 mi (2,443.47 km) |
| Newcastle under Lyme to Kavarna | 1,539.12 mi (2,476.98 km) |
| Newcastle under Lyme to Kazanlak | 1,456.20 mi (2,343.53 km) |
| Newcastle under Lyme to Knezha | 1,366.18 mi (2,198.66 km) |
| Newcastle under Lyme to Kostinbrod | 1,361.91 mi (2,191.79 km) |
| Newcastle under Lyme to Kozloduy | 1,340.36 mi (2,157.10 km) |
| Newcastle under Lyme to Kyustendil | 1,365.37 mi (2,197.35 km) |
| Newcastle under Lyme to Levski | 1,413.44 mi (2,274.71 km) |
| Newcastle under Lyme to Lom | 1,319.00 mi (2,122.72 km) |
| Newcastle under Lyme to Lovech | 1,406.83 mi (2,264.08 km) |
| Newcastle under Lyme to Lukovit | 1,382.31 mi (2,224.62 km) |
| Newcastle under Lyme to Lyaskovets | 1,447.94 mi (2,330.23 km) |
| Newcastle under Lyme to Mezdra | 1,366.14 mi (2,198.59 km) |
| Newcastle under Lyme to Momchilgrad | 1,505.15 mi (2,422.30 km) |
