| Warren to Popovo | 5,066.71 mi (8,154.07 km) |
| Warren to Provadia | 5,118.29 mi (8,237.09 km) |
| Warren to Radnevo | 5,105.54 mi (8,216.57 km) |
| Warren to Radomir | 4,981.94 mi (8,017.65 km) |
| Warren to Rakitovo | 5,051.16 mi (8,129.06 km) |
| Warren to Rakovski | 5,070.04 mi (8,159.43 km) |
| Warren to Razgrad | 5,068.32 mi (8,156.67 km) |
| Warren to Razlog | 5,032.42 mi (8,098.90 km) |
| Warren to Ruse | 5,034.12 mi (8,101.63 km) |
| Warren to Samokov | 5,014.71 mi (8,070.40 km) |
| Warren to Sandanski | 5,040.03 mi (8,111.15 km) |
| Warren to Sevlievo | 5,040.85 mi (8,112.47 km) |
| Warren to Shumen | 5,095.37 mi (8,200.20 km) |
| Warren to Silistra | 5,067.30 mi (8,155.03 km) |
| Warren to Sliven | 5,102.08 mi (8,211.00 km) |
