| Marshalltown to Devnya | 5,485.86 mi (8,828.63 km) |
| Marshalltown to Dimitrovgrad | 5,480.81 mi (8,820.52 km) |
| Marshalltown to Dobrich | 5,476.20 mi (8,813.09 km) |
| Marshalltown to Dospat | 5,451.99 mi (8,774.14 km) |
| Marshalltown to Dupnitsa | 5,384.24 mi (8,665.10 km) |
| Marshalltown to Elhovo | 5,507.50 mi (8,863.46 km) |
| Marshalltown to Etropole | 5,385.95 mi (8,667.86 km) |
| Marshalltown to Gabrovo | 5,429.66 mi (8,738.19 km) |
| Marshalltown to Gorna Oryahovitsa | 5,428.27 mi (8,735.96 km) |
| Marshalltown to Gotse Delchev | 5,441.11 mi (8,756.63 km) |
| Marshalltown to Harmanli | 5,497.06 mi (8,846.67 km) |
| Marshalltown to Haskovo | 5,485.70 mi (8,828.39 km) |
| Marshalltown to Ihtiman | 5,399.75 mi (8,690.06 km) |
| Marshalltown to Isperih | 5,435.67 mi (8,747.86 km) |
| Marshalltown to Kardzhali | 5,493.48 mi (8,840.90 km) |
