| Harmanli to Isselburg | 1,138.64 mi (1,832.47 km) |
| Harmanli to Issum | 1,130.48 mi (1,819.32 km) |
| Harmanli to Itzehoe | 1,117.94 mi (1,799.15 km) |
| Harmanli to Jena | 919.47 mi (1,479.74 km) |
| Harmanli to Jever | 1,153.99 mi (1,857.16 km) |
| Harmanli to Jork | 1,095.19 mi (1,762.53 km) |
| Harmanli to Juchen | 1,113.43 mi (1,791.89 km) |
| Harmanli to Julich | 1,113.44 mi (1,791.91 km) |
| Harmanli to Juterbog | 918.69 mi (1,478.48 km) |
| Harmanli to Kaarst | 1,112.68 mi (1,790.68 km) |
| Harmanli to Kaiserslautern | 1,013.57 mi (1,631.18 km) |
| Harmanli to Kalkar | 1,142.01 mi (1,837.88 km) |
| Harmanli to Kall | 1,094.68 mi (1,761.71 km) |
| Harmanli to Kaltenkirchen | 1,100.50 mi (1,771.08 km) |
| Harmanli to Kamen | 1,085.86 mi (1,747.53 km) |
