| Olhao to Devnya | 1,903.92 mi (3,064.07 km) |
| Olhao to Dimitrovgrad | 1,803.43 mi (2,902.34 km) |
| Olhao to Dobrich | 1,917.76 mi (3,086.33 km) |
| Olhao to Dospat | 1,729.69 mi (2,783.67 km) |
| Olhao to Dupnitsa | 1,676.60 mi (2,698.23 km) |
| Olhao to Elhovo | 1,852.94 mi (2,982.01 km) |
| Olhao to Etropole | 1,723.05 mi (2,772.99 km) |
| Olhao to Gabrovo | 1,790.63 mi (2,881.74 km) |
| Olhao to Gorna Oryahovitsa | 1,809.75 mi (2,912.52 km) |
| Olhao to Gotse Delchev | 1,707.30 mi (2,747.63 km) |
| Olhao to Harmanli | 1,818.88 mi (2,927.21 km) |
| Olhao to Haskovo | 1,801.75 mi (2,899.64 km) |
| Olhao to Ihtiman | 1,712.63 mi (2,756.22 km) |
| Olhao to Isperih | 1,868.11 mi (3,006.44 km) |
| Olhao to Kardzhali | 1,791.64 mi (2,883.37 km) |
