| Harrison to Devnya | 4,837.23 mi (7,784.77 km) |
| Harrison to Dimitrovgrad | 4,807.49 mi (7,736.92 km) |
| Harrison to Dobrich | 4,832.85 mi (7,777.72 km) |
| Harrison to Dospat | 4,765.33 mi (7,669.06 km) |
| Harrison to Dupnitsa | 4,696.77 mi (7,558.72 km) |
| Harrison to Elhovo | 4,841.82 mi (7,792.15 km) |
| Harrison to Etropole | 4,709.76 mi (7,579.63 km) |
| Harrison to Gabrovo | 4,762.54 mi (7,664.57 km) |
| Harrison to Gorna Oryahovitsa | 4,766.22 mi (7,670.49 km) |
| Harrison to Gotse Delchev | 4,750.83 mi (7,645.72 km) |
| Harrison to Harmanli | 4,824.63 mi (7,764.49 km) |
| Harrison to Haskovo | 4,811.04 mi (7,742.61 km) |
| Harrison to Ihtiman | 4,718.47 mi (7,593.64 km) |
| Harrison to Isperih | 4,787.00 mi (7,703.93 km) |
| Harrison to Kardzhali | 4,814.74 mi (7,748.58 km) |
