| Fort Smith to Devnya | 5,894.42 mi (9,486.15 km) |
| Fort Smith to Dimitrovgrad | 5,881.66 mi (9,465.62 km) |
| Fort Smith to Dobrich | 5,886.28 mi (9,473.05 km) |
| Fort Smith to Dospat | 5,848.30 mi (9,411.93 km) |
| Fort Smith to Dupnitsa | 5,780.00 mi (9,302.00 km) |
| Fort Smith to Elhovo | 5,910.91 mi (9,512.68 km) |
| Fort Smith to Etropole | 5,785.48 mi (9,310.84 km) |
| Fort Smith to Gabrovo | 5,832.30 mi (9,386.17 km) |
| Fort Smith to Gorna Oryahovitsa | 5,832.50 mi (9,386.50 km) |
| Fort Smith to Gotse Delchev | 5,836.13 mi (9,392.35 km) |
| Fort Smith to Harmanli | 5,898.27 mi (9,492.34 km) |
| Fort Smith to Haskovo | 5,886.14 mi (9,472.82 km) |
| Fort Smith to Ihtiman | 5,797.65 mi (9,330.42 km) |
| Fort Smith to Isperih | 5,844.01 mi (9,405.03 km) |
| Fort Smith to Kardzhali | 5,892.61 mi (9,483.23 km) |
