| Wilmington to Popovo | 5,262.03 mi (8,468.42 km) |
| Wilmington to Provadia | 5,318.23 mi (8,558.87 km) |
| Wilmington to Radnevo | 5,290.39 mi (8,514.07 km) |
| Wilmington to Radomir | 5,153.95 mi (8,294.48 km) |
| Wilmington to Rakitovo | 5,223.87 mi (8,407.01 km) |
| Wilmington to Rakovski | 5,249.87 mi (8,448.85 km) |
| Wilmington to Razgrad | 5,266.62 mi (8,475.80 km) |
| Wilmington to Razlog | 5,201.14 mi (8,370.42 km) |
| Wilmington to Ruse | 5,232.10 mi (8,420.25 km) |
| Wilmington to Samokov | 5,187.87 mi (8,349.06 km) |
| Wilmington to Sandanski | 5,205.03 mi (8,376.69 km) |
| Wilmington to Sevlievo | 5,227.81 mi (8,413.34 km) |
| Wilmington to Shumen | 5,293.64 mi (8,519.29 km) |
| Wilmington to Silistra | 5,274.23 mi (8,488.05 km) |
| Wilmington to Sliven | 5,292.23 mi (8,517.02 km) |
