| Callaway to Devnya | 5,836.75 mi (9,393.33 km) |
| Callaway to Dimitrovgrad | 5,804.07 mi (9,340.75 km) |
| Callaway to Dobrich | 5,832.87 mi (9,387.09 km) |
| Callaway to Dospat | 5,759.93 mi (9,269.71 km) |
| Callaway to Dupnitsa | 5,691.47 mi (9,159.53 km) |
| Callaway to Elhovo | 5,839.35 mi (9,397.53 km) |
| Callaway to Etropole | 5,706.21 mi (9,183.27 km) |
| Callaway to Gabrovo | 5,760.11 mi (9,270.00 km) |
| Callaway to Gorna Oryahovitsa | 5,764.42 mi (9,276.94 km) |
| Callaway to Gotse Delchev | 5,744.83 mi (9,245.42 km) |
| Callaway to Harmanli | 5,821.28 mi (9,368.44 km) |
| Callaway to Haskovo | 5,807.40 mi (9,346.11 km) |
| Callaway to Ihtiman | 5,714.11 mi (9,195.98 km) |
| Callaway to Isperih | 5,786.61 mi (9,312.65 km) |
| Callaway to Kardzhali | 5,810.47 mi (9,351.05 km) |
