| Red Oak to Devnya | 6,133.75 mi (9,871.32 km) |
| Red Oak to Dimitrovgrad | 6,120.56 mi (9,850.09 km) |
| Red Oak to Dobrich | 6,125.67 mi (9,858.32 km) |
| Red Oak to Dospat | 6,086.84 mi (9,795.82 km) |
| Red Oak to Dupnitsa | 6,018.50 mi (9,685.84 km) |
| Red Oak to Elhovo | 6,149.97 mi (9,897.42 km) |
| Red Oak to Etropole | 6,024.30 mi (9,695.17 km) |
| Red Oak to Gabrovo | 6,071.32 mi (9,770.84 km) |
| Red Oak to Gorna Oryahovitsa | 6,071.62 mi (9,771.33 km) |
| Red Oak to Gotse Delchev | 6,074.56 mi (9,776.07 km) |
| Red Oak to Harmanli | 6,137.18 mi (9,876.84 km) |
| Red Oak to Haskovo | 6,125.00 mi (9,857.23 km) |
| Red Oak to Ihtiman | 6,036.34 mi (9,714.55 km) |
| Red Oak to Isperih | 6,083.34 mi (9,790.19 km) |
| Red Oak to Kardzhali | 6,131.37 mi (9,867.49 km) |
