| Guymon to Devnya | 6,055.95 mi (9,746.11 km) |
| Guymon to Dimitrovgrad | 6,055.26 mi (9,745.00 km) |
| Guymon to Dobrich | 6,045.35 mi (9,729.05 km) |
| Guymon to Dospat | 6,028.66 mi (9,702.20 km) |
| Guymon to Dupnitsa | 5,961.25 mi (9,593.70 km) |
| Guymon to Elhovo | 6,080.56 mi (9,785.71 km) |
| Guymon to Etropole | 5,961.20 mi (9,593.62 km) |
| Guymon to Gabrovo | 6,003.25 mi (9,661.31 km) |
| Guymon to Gorna Oryahovitsa | 6,001.01 mi (9,657.69 km) |
| Guymon to Gotse Delchev | 6,018.37 mi (9,685.63 km) |
| Guymon to Harmanli | 6,071.31 mi (9,770.82 km) |
| Guymon to Haskovo | 6,060.36 mi (9,753.20 km) |
| Guymon to Ihtiman | 5,975.75 mi (9,617.05 km) |
| Guymon to Isperih | 6,005.98 mi (9,665.70 km) |
| Guymon to Kardzhali | 6,068.77 mi (9,766.74 km) |
