| Dartford to Devnya | 1,390.43 mi (2,237.68 km) |
| Dartford to Dimitrovgrad | 1,355.76 mi (2,181.89 km) |
| Dartford to Dobrich | 1,388.38 mi (2,234.38 km) |
| Dartford to Dospat | 1,314.87 mi (2,116.08 km) |
| Dartford to Dupnitsa | 1,246.27 mi (2,005.68 km) |
| Dartford to Elhovo | 1,390.56 mi (2,237.89 km) |
| Dartford to Etropole | 1,258.03 mi (2,024.60 km) |
| Dartford to Gabrovo | 1,311.31 mi (2,110.35 km) |
| Dartford to Gorna Oryahovitsa | 1,315.86 mi (2,117.67 km) |
| Dartford to Gotse Delchev | 1,301.21 mi (2,094.09 km) |
| Dartford to Harmanli | 1,372.90 mi (2,209.47 km) |
| Dartford to Haskovo | 1,359.31 mi (2,187.59 km) |
| Dartford to Ihtiman | 1,267.03 mi (2,039.09 km) |
| Dartford to Isperih | 1,340.73 mi (2,157.70 km) |
| Dartford to Kardzhali | 1,363.22 mi (2,193.88 km) |
