| Opelika to Devnya | 5,700.81 mi (9,174.56 km) |
| Opelika to Dimitrovgrad | 5,671.69 mi (9,127.70 km) |
| Opelika to Dobrich | 5,696.17 mi (9,167.10 km) |
| Opelika to Dospat | 5,629.48 mi (9,059.77 km) |
| Opelika to Dupnitsa | 5,560.92 mi (8,949.43 km) |
| Opelika to Elhovo | 5,705.92 mi (9,182.79 km) |
| Opelika to Etropole | 5,573.96 mi (8,970.42 km) |
| Opelika to Gabrovo | 5,626.65 mi (9,055.21 km) |
| Opelika to Gorna Oryahovitsa | 5,630.22 mi (9,060.96 km) |
| Opelika to Gotse Delchev | 5,614.91 mi (9,036.33 km) |
| Opelika to Harmanli | 5,688.81 mi (9,155.26 km) |
| Opelika to Haskovo | 5,675.23 mi (9,133.41 km) |
| Opelika to Ihtiman | 5,582.67 mi (8,984.43 km) |
| Opelika to Isperih | 5,650.53 mi (9,093.65 km) |
| Opelika to Kardzhali | 5,678.95 mi (9,139.38 km) |
