| Fullerton to Popovo | 6,641.49 mi (10,688.45 km) |
| Fullerton to Provadia | 6,680.68 mi (10,751.52 km) |
| Fullerton to Radnevo | 6,697.23 mi (10,778.15 km) |
| Fullerton to Radomir | 6,604.79 mi (10,629.39 km) |
| Fullerton to Rakitovo | 6,668.38 mi (10,731.72 km) |
| Fullerton to Rakovski | 6,673.26 mi (10,739.57 km) |
| Fullerton to Razgrad | 6,637.36 mi (10,681.80 km) |
| Fullerton to Razlog | 6,657.88 mi (10,714.83 km) |
| Fullerton to Ruse | 6,606.15 mi (10,631.57 km) |
| Fullerton to Samokov | 6,633.48 mi (10,675.55 km) |
| Fullerton to Sandanski | 6,671.49 mi (10,736.72 km) |
| Fullerton to Sevlievo | 6,633.01 mi (10,674.80 km) |
| Fullerton to Shumen | 6,662.59 mi (10,722.39 km) |
| Fullerton to Silistra | 6,619.82 mi (10,653.57 km) |
| Fullerton to Sliven | 6,684.15 mi (10,757.11 km) |
