| Kalmthout to Dimitrovgrad | 1,184.19 mi (1,905.77 km) |
| Kalmthout to Dobrich | 1,210.40 mi (1,947.95 km) |
| Kalmthout to Dospat | 1,147.12 mi (1,846.11 km) |
| Kalmthout to Dupnitsa | 1,078.69 mi (1,735.98 km) |
| Kalmthout to Elhovo | 1,217.19 mi (1,958.87 km) |
| Kalmthout to Etropole | 1,086.90 mi (1,749.19 km) |
| Kalmthout to Gabrovo | 1,137.93 mi (1,831.32 km) |
| Kalmthout to Gorna Oryahovitsa | 1,141.26 mi (1,836.68 km) |
| Kalmthout to Gotse Delchev | 1,134.64 mi (1,826.02 km) |
| Kalmthout to Harmanli | 1,201.16 mi (1,933.08 km) |
| Kalmthout to Haskovo | 1,188.11 mi (1,912.08 km) |
| Kalmthout to Ihtiman | 1,097.47 mi (1,766.21 km) |
| Kalmthout to Isperih | 1,163.43 mi (1,872.35 km) |
| Kalmthout to Kardzhali | 1,193.17 mi (1,920.22 km) |
| Kalmthout to Karlovo | 1,126.83 mi (1,813.46 km) |
