| Arouca to Popovo | 1,761.63 mi (2,835.08 km) |
| Arouca to Provadia | 1,822.96 mi (2,933.77 km) |
| Arouca to Radnevo | 1,756.09 mi (2,826.16 km) |
| Arouca to Radomir | 1,603.00 mi (2,579.78 km) |
| Arouca to Rakitovo | 1,665.59 mi (2,680.51 km) |
| Arouca to Rakovski | 1,707.27 mi (2,747.59 km) |
| Arouca to Razgrad | 1,774.35 mi (2,855.54 km) |
| Arouca to Razlog | 1,635.25 mi (2,631.69 km) |
| Arouca to Ruse | 1,744.33 mi (2,807.23 km) |
| Arouca to Samokov | 1,635.44 mi (2,631.98 km) |
| Arouca to Sandanski | 1,629.16 mi (2,621.88 km) |
| Arouca to Sevlievo | 1,708.15 mi (2,749.01 km) |
| Arouca to Shumen | 1,797.12 mi (2,892.19 km) |
| Arouca to Silistra | 1,807.09 mi (2,908.23 km) |
| Arouca to Sliven | 1,772.45 mi (2,852.49 km) |
