| Copperas Cove to Devnya | 6,250.97 mi (10,059.97 km) |
| Copperas Cove to Dimitrovgrad | 6,237.56 mi (10,038.39 km) |
| Copperas Cove to Dobrich | 6,242.93 mi (10,047.02 km) |
| Copperas Cove to Dospat | 6,203.67 mi (9,983.84 km) |
| Copperas Cove to Dupnitsa | 6,135.32 mi (9,873.84 km) |
| Copperas Cove to Elhovo | 6,267.05 mi (10,085.85 km) |
| Copperas Cove to Etropole | 6,141.26 mi (9,883.41 km) |
| Copperas Cove to Gabrovo | 6,188.39 mi (9,959.25 km) |
| Copperas Cove to Gorna Oryahovitsa | 6,188.74 mi (9,959.81 km) |
| Copperas Cove to Gotse Delchev | 6,191.34 mi (9,964.00 km) |
| Copperas Cove to Harmanli | 6,254.20 mi (10,065.16 km) |
| Copperas Cove to Haskovo | 6,241.99 mi (10,045.51 km) |
| Copperas Cove to Ihtiman | 6,153.24 mi (9,902.68 km) |
| Copperas Cove to Isperih | 6,200.56 mi (9,978.83 km) |
| Copperas Cove to Kardzhali | 6,248.31 mi (10,055.68 km) |
