| Americus to Devnya | 5,684.86 mi (9,148.90 km) |
| Americus to Dimitrovgrad | 5,653.30 mi (9,098.11 km) |
| Americus to Dobrich | 5,680.76 mi (9,142.30 km) |
| Americus to Dospat | 5,609.81 mi (9,028.12 km) |
| Americus to Dupnitsa | 5,541.31 mi (8,917.88 km) |
| Americus to Elhovo | 5,688.25 mi (9,154.35 km) |
| Americus to Etropole | 5,555.48 mi (8,940.69 km) |
| Americus to Gabrovo | 5,608.99 mi (9,026.80 km) |
| Americus to Gorna Oryahovitsa | 5,613.07 mi (9,033.36 km) |
| Americus to Gotse Delchev | 5,594.90 mi (9,004.12 km) |
| Americus to Harmanli | 5,670.49 mi (9,125.77 km) |
| Americus to Haskovo | 5,656.71 mi (9,103.59 km) |
| Americus to Ihtiman | 5,563.65 mi (8,953.83 km) |
| Americus to Isperih | 5,634.68 mi (9,068.15 km) |
| Americus to Kardzhali | 5,659.99 mi (9,108.88 km) |
