| Cedar Falls to Devnya | 5,445.28 mi (8,763.32 km) |
| Cedar Falls to Dimitrovgrad | 5,440.38 mi (8,755.44 km) |
| Cedar Falls to Dobrich | 5,435.59 mi (8,747.74 km) |
| Cedar Falls to Dospat | 5,411.66 mi (8,709.22 km) |
| Cedar Falls to Dupnitsa | 5,343.92 mi (8,600.21 km) |
| Cedar Falls to Elhovo | 5,467.01 mi (8,798.30 km) |
| Cedar Falls to Etropole | 5,345.55 mi (8,602.83 km) |
| Cedar Falls to Gabrovo | 5,389.19 mi (8,673.06 km) |
| Cedar Falls to Gorna Oryahovitsa | 5,387.77 mi (8,670.78 km) |
| Cedar Falls to Gotse Delchev | 5,400.81 mi (8,691.77 km) |
| Cedar Falls to Harmanli | 5,456.62 mi (8,781.58 km) |
| Cedar Falls to Haskovo | 5,445.28 mi (8,763.32 km) |
| Cedar Falls to Ihtiman | 5,359.38 mi (8,625.09 km) |
| Cedar Falls to Isperih | 5,395.09 mi (8,682.56 km) |
| Cedar Falls to Kardzhali | 5,453.08 mi (8,775.88 km) |
