| Covington to Devnya | 5,346.71 mi (8,604.69 km) |
| Covington to Dimitrovgrad | 5,326.37 mi (8,571.97 km) |
| Covington to Dobrich | 5,340.23 mi (8,594.26 km) |
| Covington to Dospat | 5,289.07 mi (8,511.93 km) |
| Covington to Dupnitsa | 5,220.52 mi (8,401.61 km) |
| Covington to Elhovo | 5,357.93 mi (8,622.75 km) |
| Covington to Etropole | 5,229.31 mi (8,415.76 km) |
| Covington to Gabrovo | 5,278.85 mi (8,495.50 km) |
| Covington to Gorna Oryahovitsa | 5,280.60 mi (8,498.30 km) |
| Covington to Gotse Delchev | 5,275.85 mi (8,490.67 km) |
| Covington to Harmanli | 5,343.24 mi (8,599.12 km) |
| Covington to Haskovo | 5,330.44 mi (8,578.52 km) |
| Covington to Ihtiman | 5,239.98 mi (8,432.94 km) |
| Covington to Isperih | 5,296.25 mi (8,523.50 km) |
| Covington to Kardzhali | 5,335.71 mi (8,586.99 km) |
