| Clarksburg to Devnya | 5,059.86 mi (8,143.06 km) |
| Clarksburg to Dimitrovgrad | 5,031.05 mi (8,096.69 km) |
| Clarksburg to Dobrich | 5,055.25 mi (8,135.64 km) |
| Clarksburg to Dospat | 4,989.28 mi (8,029.46 km) |
| Clarksburg to Dupnitsa | 4,920.70 mi (7,919.10 km) |
| Clarksburg to Elhovo | 5,065.12 mi (8,151.53 km) |
| Clarksburg to Etropole | 4,933.35 mi (7,939.46 km) |
| Clarksburg to Gabrovo | 4,985.85 mi (8,023.95 km) |
| Clarksburg to Gorna Oryahovitsa | 4,989.34 mi (8,029.57 km) |
| Clarksburg to Gotse Delchev | 4,974.86 mi (8,006.27 km) |
| Clarksburg to Harmanli | 5,048.16 mi (8,124.23 km) |
| Clarksburg to Haskovo | 5,034.63 mi (8,102.46 km) |
| Clarksburg to Ihtiman | 4,942.23 mi (7,953.74 km) |
| Clarksburg to Isperih | 5,009.59 mi (8,062.16 km) |
| Clarksburg to Kardzhali | 5,038.47 mi (8,108.64 km) |
