| Columbia to Devnya | 5,453.72 mi (8,776.92 km) |
| Columbia to Dimitrovgrad | 5,420.87 mi (8,724.04 km) |
| Columbia to Dobrich | 5,449.94 mi (8,770.83 km) |
| Columbia to Dospat | 5,376.78 mi (8,653.10 km) |
| Columbia to Dupnitsa | 5,308.32 mi (8,542.91 km) |
| Columbia to Elhovo | 5,456.16 mi (8,780.85 km) |
| Columbia to Etropole | 5,323.01 mi (8,566.56 km) |
| Columbia to Gabrovo | 5,376.92 mi (8,653.32 km) |
| Columbia to Gorna Oryahovitsa | 5,381.26 mi (8,660.31 km) |
| Columbia to Gotse Delchev | 5,361.73 mi (8,628.86 km) |
| Columbia to Harmanli | 5,438.07 mi (8,751.74 km) |
| Columbia to Haskovo | 5,424.20 mi (8,729.40 km) |
| Columbia to Ihtiman | 5,330.93 mi (8,579.30 km) |
| Columbia to Isperih | 5,403.61 mi (8,696.27 km) |
| Columbia to Kardzhali | 5,427.28 mi (8,734.37 km) |
