| Columbine to Devnya | 5,996.75 mi (9,650.83 km) |
| Columbine to Dimitrovgrad | 6,004.95 mi (9,664.04 km) |
| Columbine to Dobrich | 5,984.41 mi (9,630.97 km) |
| Columbine to Dospat | 5,983.59 mi (9,629.65 km) |
| Columbine to Dupnitsa | 5,917.22 mi (9,522.84 km) |
| Columbine to Elhovo | 6,027.18 mi (9,699.81 km) |
| Columbine to Etropole | 5,913.01 mi (9,516.07 km) |
| Columbine to Gabrovo | 5,951.28 mi (9,577.67 km) |
| Columbine to Gorna Oryahovitsa | 5,947.24 mi (9,571.15 km) |
| Columbine to Gotse Delchev | 5,974.76 mi (9,615.45 km) |
| Columbine to Harmanli | 6,020.50 mi (9,689.05 km) |
| Columbine to Haskovo | 6,010.49 mi (9,672.95 km) |
| Columbine to Ihtiman | 5,929.27 mi (9,542.24 km) |
| Columbine to Isperih | 5,947.38 mi (9,571.39 km) |
| Columbine to Kardzhali | 6,020.30 mi (9,688.74 km) |
