| California City to Devnya | 6,600.47 mi (10,622.43 km) |
| California City to Dimitrovgrad | 6,623.54 mi (10,659.56 km) |
| California City to Dobrich | 6,585.27 mi (10,597.97 km) |
| California City to Dospat | 6,610.83 mi (10,639.10 km) |
| California City to Dupnitsa | 6,546.79 mi (10,536.04 km) |
| California City to Elhovo | 6,640.45 mi (10,686.77 km) |
| California City to Etropole | 6,535.99 mi (10,518.66 km) |
| California City to Gabrovo | 6,567.70 mi (10,569.68 km) |
| California City to Gorna Oryahovitsa | 6,560.70 mi (10,558.43 km) |
| California City to Gotse Delchev | 6,604.42 mi (10,628.78 km) |
| California City to Harmanli | 6,638.09 mi (10,682.98 km) |
| California City to Haskovo | 6,629.73 mi (10,669.53 km) |
| California City to Ihtiman | 6,554.82 mi (10,548.97 km) |
| California City to Isperih | 6,552.69 mi (10,545.54 km) |
| California City to Kardzhali | 6,641.73 mi (10,688.83 km) |
