| Isafjordhur to Popovo | 2,415.60 mi (3,887.54 km) |
| Isafjordhur to Provadia | 2,457.78 mi (3,955.41 km) |
| Isafjordhur to Radnevo | 2,469.02 mi (3,973.51 km) |
| Isafjordhur to Radomir | 2,374.99 mi (3,822.18 km) |
| Isafjordhur to Rakitovo | 2,438.44 mi (3,924.29 km) |
| Isafjordhur to Rakovski | 2,443.84 mi (3,932.98 km) |
| Isafjordhur to Razgrad | 2,412.59 mi (3,882.68 km) |
| Isafjordhur to Razlog | 2,428.10 mi (3,907.64 km) |
| Isafjordhur to Ruse | 2,380.54 mi (3,831.10 km) |
| Isafjordhur to Samokov | 2,403.55 mi (3,868.14 km) |
| Isafjordhur to Sandanski | 2,441.98 mi (3,929.99 km) |
| Isafjordhur to Sevlievo | 2,404.46 mi (3,869.60 km) |
| Isafjordhur to Shumen | 2,438.41 mi (3,924.24 km) |
| Isafjordhur to Silistra | 2,398.92 mi (3,860.69 km) |
| Isafjordhur to Sliven | 2,457.26 mi (3,954.58 km) |
