| Tucson to Devnya | 6,604.12 mi (10,628.30 km) |
| Tucson to Dimitrovgrad | 6,612.56 mi (10,641.88 km) |
| Tucson to Dobrich | 6,591.66 mi (10,608.25 km) |
| Tucson to Dospat | 6,591.03 mi (10,607.24 km) |
| Tucson to Dupnitsa | 6,524.59 mi (10,500.32 km) |
| Tucson to Elhovo | 6,634.78 mi (10,677.64 km) |
| Tucson to Etropole | 6,520.57 mi (10,493.85 km) |
| Tucson to Gabrovo | 6,558.89 mi (10,555.52 km) |
| Tucson to Gorna Oryahovitsa | 6,554.83 mi (10,548.97 km) |
| Tucson to Gotse Delchev | 6,582.12 mi (10,592.90 km) |
| Tucson to Harmanli | 6,628.10 mi (10,666.90 km) |
| Tucson to Haskovo | 6,618.09 mi (10,650.79 km) |
| Tucson to Ihtiman | 6,536.77 mi (10,519.92 km) |
| Tucson to Isperih | 6,554.80 mi (10,548.93 km) |
| Tucson to Kardzhali | 6,627.88 mi (10,666.54 km) |
