| Covina to Devnya | 6,667.78 mi (10,730.76 km) |
| Covina to Dimitrovgrad | 6,689.85 mi (10,766.27 km) |
| Covina to Dobrich | 6,652.76 mi (10,706.58 km) |
| Covina to Dospat | 6,676.49 mi (10,744.77 km) |
| Covina to Dupnitsa | 6,612.24 mi (10,641.37 km) |
| Covina to Elhovo | 6,707.14 mi (10,794.10 km) |
| Covina to Etropole | 6,601.94 mi (10,624.80 km) |
| Covina to Gabrovo | 6,634.14 mi (10,676.61 km) |
| Covina to Gorna Oryahovitsa | 6,627.35 mi (10,665.68 km) |
| Covina to Gotse Delchev | 6,669.89 mi (10,734.15 km) |
| Covina to Harmanli | 6,704.48 mi (10,789.81 km) |
| Covina to Haskovo | 6,696.00 mi (10,776.17 km) |
| Covina to Ihtiman | 6,620.59 mi (10,654.81 km) |
| Covina to Isperih | 6,619.88 mi (10,653.67 km) |
| Covina to Kardzhali | 6,707.84 mi (10,795.23 km) |
