| Colonia to Devnya | 4,880.26 mi (7,854.02 km) |
| Colonia to Dimitrovgrad | 4,850.42 mi (7,806.00 km) |
| Colonia to Dobrich | 4,875.89 mi (7,846.99 km) |
| Colonia to Dospat | 4,808.19 mi (7,738.03 km) |
| Colonia to Dupnitsa | 4,739.63 mi (7,627.69 km) |
| Colonia to Elhovo | 4,884.78 mi (7,861.29 km) |
| Colonia to Etropole | 4,752.68 mi (7,648.71 km) |
| Colonia to Gabrovo | 4,805.51 mi (7,733.71 km) |
| Colonia to Gorna Oryahovitsa | 4,809.21 mi (7,739.67 km) |
| Colonia to Gotse Delchev | 4,793.66 mi (7,714.65 km) |
| Colonia to Harmanli | 4,867.56 mi (7,833.58 km) |
| Colonia to Haskovo | 4,853.96 mi (7,811.69 km) |
| Colonia to Ihtiman | 4,761.36 mi (7,662.67 km) |
| Colonia to Isperih | 4,830.03 mi (7,773.18 km) |
| Colonia to Kardzhali | 4,857.64 mi (7,817.62 km) |
