| South Whittier to Popovo | 6,640.93 mi (10,687.55 km) |
| South Whittier to Provadia | 6,680.04 mi (10,750.49 km) |
| South Whittier to Radnevo | 6,696.75 mi (10,777.39 km) |
| South Whittier to Radomir | 6,604.53 mi (10,628.97 km) |
| South Whittier to Rakitovo | 6,668.07 mi (10,731.22 km) |
| South Whittier to Rakovski | 6,672.86 mi (10,738.93 km) |
| South Whittier to Razgrad | 6,636.77 mi (10,680.85 km) |
| South Whittier to Razlog | 6,657.62 mi (10,714.41 km) |
| South Whittier to Ruse | 6,605.58 mi (10,630.66 km) |
| South Whittier to Samokov | 6,633.18 mi (10,675.08 km) |
| South Whittier to Sandanski | 6,671.26 mi (10,736.36 km) |
| South Whittier to Sevlievo | 6,632.56 mi (10,674.07 km) |
| South Whittier to Shumen | 6,661.98 mi (10,721.42 km) |
| South Whittier to Silistra | 6,619.14 mi (10,652.48 km) |
| South Whittier to Sliven | 6,683.63 mi (10,756.26 km) |
