| Nules to Karlovo | 1,305.92 mi (2,101.67 km) |
| Nules to Karnobat | 1,416.52 mi (2,279.67 km) |
| Nules to Kavarna | 1,483.91 mi (2,388.12 km) |
| Nules to Kazanlak | 1,336.06 mi (2,150.18 km) |
| Nules to Knezha | 1,270.99 mi (2,045.47 km) |
| Nules to Kostinbrod | 1,225.38 mi (1,972.06 km) |
| Nules to Kozloduy | 1,254.78 mi (2,019.38 km) |
| Nules to Kyustendil | 1,197.57 mi (1,927.31 km) |
| Nules to Levski | 1,323.23 mi (2,129.53 km) |
| Nules to Lom | 1,230.37 mi (1,980.08 km) |
| Nules to Lovech | 1,301.82 mi (2,095.07 km) |
| Nules to Lukovit | 1,274.23 mi (2,050.68 km) |
| Nules to Lyaskovets | 1,352.17 mi (2,176.11 km) |
| Nules to Mezdra | 1,250.60 mi (2,012.65 km) |
| Nules to Momchilgrad | 1,339.52 mi (2,155.76 km) |
