| Altadena to Devnya | 6,667.34 mi (10,730.05 km) |
| Altadena to Dimitrovgrad | 6,689.92 mi (10,766.39 km) |
| Altadena to Dobrich | 6,652.22 mi (10,705.71 km) |
| Altadena to Dospat | 6,676.88 mi (10,745.40 km) |
| Altadena to Dupnitsa | 6,612.73 mi (10,642.16 km) |
| Altadena to Elhovo | 6,707.02 mi (10,793.91 km) |
| Altadena to Etropole | 6,602.19 mi (10,625.20 km) |
| Altadena to Gabrovo | 6,634.14 mi (10,676.62 km) |
| Altadena to Gorna Oryahovitsa | 6,627.25 mi (10,665.53 km) |
| Altadena to Gotse Delchev | 6,670.37 mi (10,734.92 km) |
| Altadena to Harmanli | 6,704.51 mi (10,789.87 km) |
| Altadena to Haskovo | 6,696.10 mi (10,776.32 km) |
| Altadena to Ihtiman | 6,620.93 mi (10,655.36 km) |
| Altadena to Isperih | 6,619.50 mi (10,653.06 km) |
| Altadena to Kardzhali | 6,708.01 mi (10,795.50 km) |
