| Welver to Karlovo | 1,001.74 mi (1,612.14 km) |
| Welver to Karnobat | 1,083.46 mi (1,743.66 km) |
| Welver to Kavarna | 1,100.53 mi (1,771.13 km) |
| Welver to Kazanlak | 1,024.81 mi (1,649.27 km) |
| Welver to Knezha | 934.57 mi (1,504.05 km) |
| Welver to Kostinbrod | 936.10 mi (1,506.50 km) |
| Welver to Kozloduy | 908.45 mi (1,462.02 km) |
| Welver to Kyustendil | 944.49 mi (1,520.00 km) |
| Welver to Levski | 979.88 mi (1,576.96 km) |
| Welver to Lom | 888.22 mi (1,429.45 km) |
| Welver to Lovech | 975.11 mi (1,569.29 km) |
| Welver to Lukovit | 951.75 mi (1,531.69 km) |
| Welver to Lyaskovets | 1,014.07 mi (1,631.99 km) |
| Welver to Mezdra | 937.13 mi (1,508.17 km) |
| Welver to Momchilgrad | 1,078.15 mi (1,735.11 km) |
