| DeForest to Popovo | 5,253.06 mi (8,453.98 km) |
| DeForest to Provadia | 5,302.20 mi (8,533.07 km) |
| DeForest to Radnevo | 5,296.15 mi (8,523.32 km) |
| DeForest to Radomir | 5,178.97 mi (8,334.75 km) |
| DeForest to Rakitovo | 5,247.37 mi (8,444.83 km) |
| DeForest to Rakovski | 5,263.08 mi (8,470.10 km) |
| DeForest to Razgrad | 5,253.35 mi (8,454.45 km) |
| DeForest to Razlog | 5,230.46 mi (8,417.61 km) |
| DeForest to Ruse | 5,219.56 mi (8,400.08 km) |
| DeForest to Samokov | 5,211.02 mi (8,386.32 km) |
| DeForest to Sandanski | 5,239.56 mi (8,432.26 km) |
| DeForest to Sevlievo | 5,231.06 mi (8,418.58 km) |
| DeForest to Shumen | 5,280.20 mi (8,497.67 km) |
| DeForest to Silistra | 5,248.51 mi (8,446.66 km) |
| DeForest to Sliven | 5,290.41 mi (8,514.10 km) |
