| Ascoli Piceno to Popovo | 638.51 mi (1,027.58 km) |
| Ascoli Piceno to Provadia | 699.25 mi (1,125.34 km) |
| Ascoli Piceno to Radnevo | 628.95 mi (1,012.19 km) |
| Ascoli Piceno to Radomir | 475.83 mi (765.77 km) |
| Ascoli Piceno to Rakitovo | 538.57 mi (866.75 km) |
| Ascoli Piceno to Rakovski | 580.03 mi (933.47 km) |
| Ascoli Piceno to Razgrad | 652.55 mi (1,050.18 km) |
| Ascoli Piceno to Razlog | 508.64 mi (818.58 km) |
| Ascoli Piceno to Ruse | 624.70 mi (1,005.36 km) |
| Ascoli Piceno to Samokov | 508.16 mi (817.81 km) |
| Ascoli Piceno to Sandanski | 503.91 mi (810.96 km) |
| Ascoli Piceno to Sevlievo | 582.89 mi (938.07 km) |
| Ascoli Piceno to Shumen | 673.81 mi (1,084.40 km) |
| Ascoli Piceno to Silistra | 690.42 mi (1,111.13 km) |
| Ascoli Piceno to Sliven | 646.21 mi (1,039.97 km) |
