| Oak Grove to Devnya | 6,045.06 mi (9,728.59 km) |
| Oak Grove to Dimitrovgrad | 6,084.34 mi (9,791.80 km) |
| Oak Grove to Dobrich | 6,027.05 mi (9,699.59 km) |
| Oak Grove to Dospat | 6,082.11 mi (9,788.21 km) |
| Oak Grove to Dupnitsa | 6,021.98 mi (9,691.44 km) |
| Oak Grove to Elhovo | 6,094.90 mi (9,808.80 km) |
| Oak Grove to Etropole | 6,003.39 mi (9,661.52 km) |
| Oak Grove to Gabrovo | 6,026.90 mi (9,699.36 km) |
| Oak Grove to Gorna Oryahovitsa | 6,016.66 mi (9,682.89 km) |
| Oak Grove to Gotse Delchev | 6,078.76 mi (9,782.82 km) |
| Oak Grove to Harmanli | 6,097.51 mi (9,812.99 km) |
| Oak Grove to Haskovo | 6,091.20 mi (9,802.84 km) |
| Oak Grove to Ihtiman | 6,024.99 mi (9,696.28 km) |
| Oak Grove to Isperih | 5,999.75 mi (9,655.67 km) |
| Oak Grove to Kardzhali | 6,105.55 mi (9,825.94 km) |
