| Towson to Devnya | 5,026.43 mi (8,089.26 km) |
| Towson to Dimitrovgrad | 4,997.14 mi (8,042.13 km) |
| Towson to Dobrich | 5,021.92 mi (8,082.00 km) |
| Towson to Dospat | 4,955.14 mi (7,974.53 km) |
| Towson to Dupnitsa | 4,886.57 mi (7,864.17 km) |
| Towson to Elhovo | 5,031.36 mi (8,097.18 km) |
| Towson to Etropole | 4,899.43 mi (7,884.86 km) |
| Towson to Gabrovo | 4,952.08 mi (7,969.60 km) |
| Towson to Gorna Oryahovitsa | 4,955.67 mi (7,975.38 km) |
| Towson to Gotse Delchev | 4,940.66 mi (7,951.23 km) |
| Towson to Harmanli | 5,014.27 mi (8,069.68 km) |
| Towson to Haskovo | 5,000.70 mi (8,047.86 km) |
| Towson to Ihtiman | 4,908.20 mi (7,898.99 km) |
| Towson to Isperih | 4,976.17 mi (8,008.38 km) |
| Towson to Kardzhali | 5,004.47 mi (8,053.91 km) |
