| Sun Prairie to Devnya | 5,303.82 mi (8,535.68 km) |
| Sun Prairie to Dimitrovgrad | 5,295.92 mi (8,522.96 km) |
| Sun Prairie to Dobrich | 5,294.77 mi (8,521.10 km) |
| Sun Prairie to Dospat | 5,265.56 mi (8,474.10 km) |
| Sun Prairie to Dupnitsa | 5,197.60 mi (8,364.73 km) |
| Sun Prairie to Elhovo | 5,323.52 mi (8,567.38 km) |
| Sun Prairie to Etropole | 5,200.56 mi (8,369.50 km) |
| Sun Prairie to Gabrovo | 5,245.37 mi (8,441.61 km) |
| Sun Prairie to Gorna Oryahovitsa | 5,244.56 mi (8,440.31 km) |
| Sun Prairie to Gotse Delchev | 5,254.26 mi (8,455.92 km) |
| Sun Prairie to Harmanli | 5,312.30 mi (8,549.32 km) |
| Sun Prairie to Haskovo | 5,300.67 mi (8,530.60 km) |
| Sun Prairie to Ihtiman | 5,213.82 mi (8,390.83 km) |
| Sun Prairie to Isperih | 5,253.53 mi (8,454.73 km) |
| Sun Prairie to Kardzhali | 5,308.00 mi (8,542.40 km) |
