| Newton Aycliffe to Karlovo | 1,447.88 mi (2,330.13 km) |
| Newton Aycliffe to Karnobat | 1,528.83 mi (2,460.42 km) |
| Newton Aycliffe to Kavarna | 1,543.09 mi (2,483.37 km) |
| Newton Aycliffe to Kazanlak | 1,470.91 mi (2,367.20 km) |
| Newton Aycliffe to Knezha | 1,380.68 mi (2,221.98 km) |
| Newton Aycliffe to Kostinbrod | 1,381.81 mi (2,223.80 km) |
| Newton Aycliffe to Kozloduy | 1,354.54 mi (2,179.93 km) |
| Newton Aycliffe to Kyustendil | 1,389.05 mi (2,235.45 km) |
| Newton Aycliffe to Levski | 1,425.69 mi (2,294.43 km) |
| Newton Aycliffe to Lom | 1,334.36 mi (2,147.45 km) |
| Newton Aycliffe to Lovech | 1,421.20 mi (2,287.20 km) |
| Newton Aycliffe to Lukovit | 1,397.89 mi (2,249.69 km) |
| Newton Aycliffe to Lyaskovets | 1,459.80 mi (2,349.32 km) |
| Newton Aycliffe to Mezdra | 1,383.23 mi (2,226.09 km) |
| Newton Aycliffe to Momchilgrad | 1,524.10 mi (2,452.81 km) |
