| Wilmington Island to Popovo | 5,496.44 mi (8,845.66 km) |
| Wilmington Island to Provadia | 5,552.54 mi (8,935.94 km) |
| Wilmington Island to Radnevo | 5,525.04 mi (8,891.69 km) |
| Wilmington Island to Radomir | 5,388.76 mi (8,672.37 km) |
| Wilmington Island to Rakitovo | 5,458.69 mi (8,784.91 km) |
| Wilmington Island to Rakovski | 5,484.59 mi (8,826.60 km) |
| Wilmington Island to Razgrad | 5,500.95 mi (8,852.92 km) |
| Wilmington Island to Razlog | 5,435.99 mi (8,748.38 km) |
| Wilmington Island to Ruse | 5,466.43 mi (8,797.37 km) |
| Wilmington Island to Samokov | 5,422.67 mi (8,726.94 km) |
| Wilmington Island to Sandanski | 5,439.91 mi (8,754.69 km) |
| Wilmington Island to Sevlievo | 5,462.40 mi (8,790.88 km) |
| Wilmington Island to Shumen | 5,527.98 mi (8,896.42 km) |
| Wilmington Island to Silistra | 5,508.30 mi (8,864.76 km) |
| Wilmington Island to Sliven | 5,526.77 mi (8,894.47 km) |
