| Willowbrook to Devnya | 6,686.83 mi (10,761.42 km) |
| Willowbrook to Dimitrovgrad | 6,709.32 mi (10,797.61 km) |
| Willowbrook to Dobrich | 6,671.72 mi (10,737.10 km) |
| Willowbrook to Dospat | 6,696.22 mi (10,776.52 km) |
| Willowbrook to Dupnitsa | 6,632.04 mi (10,673.24 km) |
| Willowbrook to Elhovo | 6,726.46 mi (10,825.19 km) |
| Willowbrook to Etropole | 6,621.56 mi (10,656.37 km) |
| Willowbrook to Gabrovo | 6,653.56 mi (10,707.87 km) |
| Willowbrook to Gorna Oryahovitsa | 6,646.68 mi (10,696.80 km) |
| Willowbrook to Gotse Delchev | 6,689.69 mi (10,766.01 km) |
| Willowbrook to Harmanli | 6,723.92 mi (10,821.11 km) |
| Willowbrook to Haskovo | 6,715.49 mi (10,807.54 km) |
| Willowbrook to Ihtiman | 6,640.28 mi (10,686.49 km) |
| Willowbrook to Isperih | 6,638.99 mi (10,684.41 km) |
| Willowbrook to Kardzhali | 6,727.40 mi (10,826.70 km) |
