| Geldern to Karlovo | 1,058.96 mi (1,704.22 km) |
| Geldern to Karnobat | 1,143.34 mi (1,840.03 km) |
| Geldern to Kavarna | 1,163.06 mi (1,871.76 km) |
| Geldern to Kazanlak | 1,082.77 mi (1,742.54 km) |
| Geldern to Knezha | 992.58 mi (1,597.40 km) |
| Geldern to Kostinbrod | 991.32 mi (1,595.37 km) |
| Geldern to Kozloduy | 966.60 mi (1,555.59 km) |
| Geldern to Kyustendil | 997.60 mi (1,605.48 km) |
| Geldern to Levski | 1,038.97 mi (1,672.07 km) |
| Geldern to Lom | 945.75 mi (1,522.05 km) |
| Geldern to Lovech | 1,033.21 mi (1,662.78 km) |
| Geldern to Lukovit | 1,009.23 mi (1,624.20 km) |
| Geldern to Lyaskovets | 1,073.36 mi (1,727.40 km) |
| Geldern to Mezdra | 993.83 mi (1,599.42 km) |
| Geldern to Momchilgrad | 1,134.05 mi (1,825.07 km) |
