| Naperville to Devnya | 5,340.76 mi (8,595.13 km) |
| Naperville to Dimitrovgrad | 5,329.29 mi (8,576.66 km) |
| Naperville to Dobrich | 5,332.44 mi (8,581.73 km) |
| Naperville to Dospat | 5,296.90 mi (8,524.53 km) |
| Naperville to Dupnitsa | 5,228.70 mi (8,414.78 km) |
| Naperville to Elhovo | 5,358.06 mi (8,622.96 km) |
| Naperville to Etropole | 5,233.35 mi (8,422.26 km) |
| Naperville to Gabrovo | 5,279.56 mi (8,496.64 km) |
| Naperville to Gorna Oryahovitsa | 5,279.49 mi (8,496.51 km) |
| Naperville to Gotse Delchev | 5,285.04 mi (8,505.44 km) |
| Naperville to Harmanli | 5,345.83 mi (8,603.28 km) |
| Naperville to Haskovo | 5,333.85 mi (8,584.00 km) |
| Naperville to Ihtiman | 5,245.87 mi (8,442.41 km) |
| Naperville to Isperih | 5,290.37 mi (8,514.03 km) |
| Naperville to Kardzhali | 5,340.59 mi (8,594.85 km) |
