| Richfield to Devnya | 5,347.05 mi (8,605.24 km) |
| Richfield to Dimitrovgrad | 5,346.72 mi (8,604.71 km) |
| Richfield to Dobrich | 5,336.46 mi (8,588.21 km) |
| Richfield to Dospat | 5,320.68 mi (8,562.81 km) |
| Richfield to Dupnitsa | 5,253.39 mi (8,454.51 km) |
| Richfield to Elhovo | 5,371.81 mi (8,645.09 km) |
| Richfield to Etropole | 5,252.84 mi (8,453.62 km) |
| Richfield to Gabrovo | 5,294.58 mi (8,520.81 km) |
| Richfield to Gorna Oryahovitsa | 5,292.23 mi (8,517.02 km) |
| Richfield to Gotse Delchev | 5,310.59 mi (8,546.57 km) |
| Richfield to Harmanli | 5,362.73 mi (8,630.48 km) |
| Richfield to Haskovo | 5,351.86 mi (8,612.98 km) |
| Richfield to Ihtiman | 5,267.58 mi (8,477.36 km) |
| Richfield to Isperih | 5,297.08 mi (8,524.83 km) |
| Richfield to Kardzhali | 5,360.40 mi (8,626.73 km) |
