| Warrenville to Popovo | 5,284.60 mi (8,504.75 km) |
| Warrenville to Provadia | 5,334.77 mi (8,585.48 km) |
| Warrenville to Radnevo | 5,325.96 mi (8,571.30 km) |
| Warrenville to Radomir | 5,206.00 mi (8,378.26 km) |
| Warrenville to Rakitovo | 5,274.79 mi (8,488.96 km) |
| Warrenville to Rakovski | 5,291.85 mi (8,516.41 km) |
| Warrenville to Razgrad | 5,285.43 mi (8,506.08 km) |
| Warrenville to Razlog | 5,257.09 mi (8,460.47 km) |
| Warrenville to Ruse | 5,251.46 mi (8,451.41 km) |
| Warrenville to Samokov | 5,238.38 mi (8,430.36 km) |
| Warrenville to Sandanski | 5,265.56 mi (8,474.09 km) |
| Warrenville to Sevlievo | 5,261.00 mi (8,466.76 km) |
| Warrenville to Shumen | 5,312.39 mi (8,549.46 km) |
| Warrenville to Silistra | 5,282.14 mi (8,500.79 km) |
| Warrenville to Sliven | 5,321.16 mi (8,563.58 km) |
