| Ilhavo to Popovo | 1,789.59 mi (2,880.06 km) |
| Ilhavo to Provadia | 1,850.87 mi (2,978.69 km) |
| Ilhavo to Radnevo | 1,783.35 mi (2,870.03 km) |
| Ilhavo to Radomir | 1,630.24 mi (2,623.61 km) |
| Ilhavo to Rakitovo | 1,692.50 mi (2,723.81 km) |
| Ilhavo to Rakovski | 1,734.46 mi (2,791.34 km) |
| Ilhavo to Razgrad | 1,802.42 mi (2,900.72 km) |
| Ilhavo to Razlog | 1,662.04 mi (2,674.79 km) |
| Ilhavo to Ruse | 1,772.56 mi (2,852.66 km) |
| Ilhavo to Samokov | 1,662.56 mi (2,675.63 km) |
| Ilhavo to Sandanski | 1,655.69 mi (2,664.58 km) |
| Ilhavo to Sevlievo | 1,735.84 mi (2,793.57 km) |
| Ilhavo to Shumen | 1,825.07 mi (2,937.16 km) |
| Ilhavo to Silistra | 1,835.54 mi (2,954.02 km) |
| Ilhavo to Sliven | 1,799.99 mi (2,896.81 km) |
