| University of California-Santa Barbara to Devnya | 6,693.03 mi (10,771.39 km) |
| University of California-Santa Barbara to Dimitrovgrad | 6,718.68 mi (10,812.67 km) |
| University of California-Santa Barbara to Dobrich | 6,677.35 mi (10,746.15 km) |
| University of California-Santa Barbara to Dospat | 6,707.52 mi (10,794.71 km) |
| University of California-Santa Barbara to Dupnitsa | 6,643.97 mi (10,692.44 km) |
| University of California-Santa Barbara to Elhovo | 6,734.63 mi (10,838.34 km) |
| University of California-Santa Barbara to Etropole | 6,632.03 mi (10,673.21 km) |
| University of California-Santa Barbara to Gabrovo | 6,662.53 mi (10,722.30 km) |
| University of California-Santa Barbara to Gorna Oryahovitsa | 6,655.03 mi (10,710.23 km) |
| University of California-Santa Barbara to Gotse Delchev | 6,701.54 mi (10,785.09 km) |
| University of California-Santa Barbara to Harmanli | 6,733.04 mi (10,835.78 km) |
| University of California-Santa Barbara to Haskovo | 6,724.98 mi (10,822.82 km) |
| University of California-Santa Barbara to Ihtiman | 6,651.29 mi (10,704.21 km) |
| University of California-Santa Barbara to Isperih | 6,645.60 mi (10,695.06 km) |
| University of California-Santa Barbara to Kardzhali | 6,737.35 mi (10,842.72 km) |
