| Avon to Popovo | 1,178.15 mi (1,896.05 km) |
| Avon to Provadia | 1,237.60 mi (1,991.73 km) |
| Avon to Radnevo | 1,197.57 mi (1,927.31 km) |
| Avon to Radomir | 1,056.12 mi (1,699.66 km) |
| Avon to Rakitovo | 1,125.88 mi (1,811.93 km) |
| Avon to Rakovski | 1,154.63 mi (1,858.20 km) |
| Avon to Razgrad | 1,185.64 mi (1,908.11 km) |
| Avon to Razlog | 1,102.21 mi (1,773.84 km) |
| Avon to Ruse | 1,151.75 mi (1,853.56 km) |
| Avon to Samokov | 1,090.23 mi (1,754.55 km) |
| Avon to Sandanski | 1,105.58 mi (1,779.26 km) |
| Avon to Sevlievo | 1,137.37 mi (1,830.42 km) |
| Avon to Shumen | 1,211.91 mi (1,950.38 km) |
| Avon to Silistra | 1,203.23 mi (1,936.41 km) |
| Avon to Sliven | 1,203.16 mi (1,936.29 km) |
