| Waterville to Devnya | 4,524.41 mi (7,281.33 km) |
| Waterville to Dimitrovgrad | 4,496.90 mi (7,237.06 km) |
| Waterville to Dobrich | 4,519.59 mi (7,273.57 km) |
| Waterville to Dospat | 4,456.08 mi (7,171.38 km) |
| Waterville to Dupnitsa | 4,387.49 mi (7,060.98 km) |
| Waterville to Elhovo | 4,530.52 mi (7,291.18 km) |
| Waterville to Etropole | 4,399.29 mi (7,079.98 km) |
| Waterville to Gabrovo | 4,451.26 mi (7,163.61 km) |
| Waterville to Gorna Oryahovitsa | 4,454.47 mi (7,168.77 km) |
| Waterville to Gotse Delchev | 4,441.96 mi (7,148.65 km) |
| Waterville to Harmanli | 4,513.97 mi (7,264.53 km) |
| Waterville to Haskovo | 4,500.58 mi (7,242.99 km) |
| Waterville to Ihtiman | 4,408.55 mi (7,094.87 km) |
| Waterville to Isperih | 4,474.10 mi (7,200.37 km) |
| Waterville to Kardzhali | 4,504.72 mi (7,249.65 km) |
