| Spring Hill to Devnya | 5,796.30 mi (9,328.25 km) |
| Spring Hill to Dimitrovgrad | 5,757.03 mi (9,265.04 km) |
| Spring Hill to Dobrich | 5,793.90 mi (9,324.38 km) |
| Spring Hill to Dospat | 5,709.47 mi (9,188.51 km) |
| Spring Hill to Dupnitsa | 5,641.34 mi (9,078.86 km) |
| Spring Hill to Elhovo | 5,794.17 mi (9,324.81 km) |
| Spring Hill to Etropole | 5,659.16 mi (9,107.54 km) |
| Spring Hill to Gabrovo | 5,715.16 mi (9,197.66 km) |
| Spring Hill to Gorna Oryahovitsa | 5,720.84 mi (9,206.81 km) |
| Spring Hill to Gotse Delchev | 5,693.47 mi (9,162.75 km) |
| Spring Hill to Harmanli | 5,774.35 mi (9,292.91 km) |
| Spring Hill to Haskovo | 5,759.95 mi (9,269.75 km) |
| Spring Hill to Ihtiman | 5,665.56 mi (9,117.84 km) |
| Spring Hill to Isperih | 5,746.55 mi (9,248.18 km) |
| Spring Hill to Kardzhali | 5,761.85 mi (9,272.81 km) |
