| Kalajoki to Devnya | 1,461.34 mi (2,351.81 km) |
| Kalajoki to Dimitrovgrad | 1,536.42 mi (2,472.64 km) |
| Kalajoki to Dobrich | 1,438.30 mi (2,314.72 km) |
| Kalajoki to Dospat | 1,562.69 mi (2,514.90 km) |
| Kalajoki to Dupnitsa | 1,520.53 mi (2,447.05 km) |
| Kalajoki to Elhovo | 1,530.49 mi (2,463.08 km) |
| Kalajoki to Etropole | 1,480.91 mi (2,383.29 km) |
| Kalajoki to Gabrovo | 1,479.60 mi (2,381.19 km) |
| Kalajoki to Gorna Oryahovitsa | 1,461.80 mi (2,352.54 km) |
| Kalajoki to Gotse Delchev | 1,568.44 mi (2,524.16 km) |
| Kalajoki to Harmanli | 1,545.04 mi (2,486.49 km) |
| Kalajoki to Haskovo | 1,544.43 mi (2,485.52 km) |
| Kalajoki to Ihtiman | 1,508.27 mi (2,427.32 km) |
| Kalajoki to Isperih | 1,424.34 mi (2,292.26 km) |
| Kalajoki to Kardzhali | 1,563.68 mi (2,516.50 km) |
