| Great Falls to Devnya | 5,686.06 mi (9,150.84 km) |
| Great Falls to Dimitrovgrad | 5,712.08 mi (9,192.70 km) |
| Great Falls to Dobrich | 5,670.42 mi (9,125.67 km) |
| Great Falls to Dospat | 5,701.66 mi (9,175.93 km) |
| Great Falls to Dupnitsa | 5,638.44 mi (9,074.20 km) |
| Great Falls to Elhovo | 5,727.77 mi (9,217.96 km) |
| Great Falls to Etropole | 5,625.81 mi (9,053.87 km) |
| Great Falls to Gabrovo | 5,655.83 mi (9,102.18 km) |
| Great Falls to Gorna Oryahovitsa | 5,648.20 mi (9,089.90 km) |
| Great Falls to Gotse Delchev | 5,695.97 mi (9,166.77 km) |
| Great Falls to Harmanli | 5,726.37 mi (9,215.70 km) |
| Great Falls to Haskovo | 5,718.42 mi (9,202.91 km) |
| Great Falls to Ihtiman | 5,645.30 mi (9,085.23 km) |
| Great Falls to Isperih | 5,638.62 mi (9,074.49 km) |
| Great Falls to Kardzhali | 5,730.93 mi (9,223.04 km) |
