| Amarillo to Devnya | 6,152.20 mi (9,901.02 km) |
| Amarillo to Dimitrovgrad | 6,150.10 mi (9,897.63 km) |
| Amarillo to Dobrich | 6,141.87 mi (9,884.38 km) |
| Amarillo to Dospat | 6,122.65 mi (9,853.45 km) |
| Amarillo to Dupnitsa | 6,055.09 mi (9,744.72 km) |
| Amarillo to Elhovo | 6,175.89 mi (9,939.13 km) |
| Amarillo to Etropole | 6,055.74 mi (9,745.77 km) |
| Amarillo to Gabrovo | 6,098.39 mi (9,814.41 km) |
| Amarillo to Gorna Oryahovitsa | 6,096.44 mi (9,811.27 km) |
| Amarillo to Gotse Delchev | 6,112.11 mi (9,836.49 km) |
| Amarillo to Harmanli | 6,166.22 mi (9,923.58 km) |
| Amarillo to Haskovo | 6,155.13 mi (9,905.72 km) |
| Amarillo to Ihtiman | 6,070.00 mi (9,768.73 km) |
| Amarillo to Isperih | 6,102.16 mi (9,820.48 km) |
| Amarillo to Kardzhali | 6,163.30 mi (9,918.88 km) |
