| Hilton Head Island to Devnya | 5,538.26 mi (8,912.96 km) |
| Hilton Head Island to Dimitrovgrad | 5,502.30 mi (8,855.10 km) |
| Hilton Head Island to Dobrich | 5,535.15 mi (8,907.96 km) |
| Hilton Head Island to Dospat | 5,456.56 mi (8,781.49 km) |
| Hilton Head Island to Dupnitsa | 5,388.23 mi (8,671.51 km) |
| Hilton Head Island to Elhovo | 5,538.49 mi (8,913.34 km) |
| Hilton Head Island to Etropole | 5,404.40 mi (8,697.55 km) |
| Hilton Head Island to Gabrovo | 5,459.33 mi (8,785.94 km) |
| Hilton Head Island to Gorna Oryahovitsa | 5,464.32 mi (8,793.97 km) |
| Hilton Head Island to Gotse Delchev | 5,441.05 mi (8,756.53 km) |
| Hilton Head Island to Harmanli | 5,519.57 mi (8,882.89 km) |
| Hilton Head Island to Haskovo | 5,505.44 mi (8,860.15 km) |
| Hilton Head Island to Ihtiman | 5,411.60 mi (8,709.13 km) |
| Hilton Head Island to Isperih | 5,488.30 mi (8,832.57 km) |
| Hilton Head Island to Kardzhali | 5,507.97 mi (8,864.22 km) |
