| Sokolow Podlaski to Popovo | 651.72 mi (1,048.83 km) |
| Sokolow Podlaski to Provadia | 680.31 mi (1,094.85 km) |
| Sokolow Podlaski to Radnevo | 718.58 mi (1,156.44 km) |
| Sokolow Podlaski to Radomir | 681.34 mi (1,096.52 km) |
| Sokolow Podlaski to Rakitovo | 724.79 mi (1,166.44 km) |
| Sokolow Podlaski to Rakovski | 709.98 mi (1,142.60 km) |
| Sokolow Podlaski to Razgrad | 643.35 mi (1,035.37 km) |
| Sokolow Podlaski to Razlog | 728.85 mi (1,172.97 km) |
| Sokolow Podlaski to Ruse | 616.53 mi (992.22 km) |
| Sokolow Podlaski to Samokov | 697.93 mi (1,123.20 km) |
| Sokolow Podlaski to Sandanski | 749.97 mi (1,206.96 km) |
| Sokolow Podlaski to Sevlievo | 661.10 mi (1,063.95 km) |
| Sokolow Podlaski to Shumen | 665.93 mi (1,071.72 km) |
| Sokolow Podlaski to Silistra | 616.58 mi (992.30 km) |
| Sokolow Podlaski to Sliven | 697.56 mi (1,122.61 km) |
