| Asker to Popovo | 1,317.76 mi (2,120.73 km) |
| Asker to Provadia | 1,354.03 mi (2,179.11 km) |
| Asker to Radnevo | 1,377.89 mi (2,217.50 km) |
| Asker to Radomir | 1,306.20 mi (2,102.12 km) |
| Asker to Rakitovo | 1,362.88 mi (2,193.35 km) |
| Asker to Rakovski | 1,359.64 mi (2,188.13 km) |
| Asker to Razgrad | 1,312.30 mi (2,111.95 km) |
| Asker to Razlog | 1,358.47 mi (2,186.25 km) |
| Asker to Ruse | 1,282.23 mi (2,063.54 km) |
| Asker to Samokov | 1,330.55 mi (2,141.31 km) |
| Asker to Sandanski | 1,375.85 mi (2,214.22 km) |
| Asker to Sevlievo | 1,315.44 mi (2,117.00 km) |
| Asker to Shumen | 1,336.88 mi (2,151.50 km) |
| Asker to Silistra | 1,292.42 mi (2,079.95 km) |
| Asker to Sliven | 1,361.80 mi (2,191.60 km) |
