| Aberbargoed to Popovo | 1,477.69 mi (2,378.11 km) |
| Aberbargoed to Provadia | 1,534.48 mi (2,469.51 km) |
| Aberbargoed to Radnevo | 1,506.19 mi (2,423.97 km) |
| Aberbargoed to Radomir | 1,372.93 mi (2,209.52 km) |
| Aberbargoed to Rakitovo | 1,442.78 mi (2,321.94 km) |
| Aberbargoed to Rakovski | 1,466.54 mi (2,360.17 km) |
| Aberbargoed to Razgrad | 1,482.70 mi (2,386.17 km) |
| Aberbargoed to Razlog | 1,421.78 mi (2,288.14 km) |
| Aberbargoed to Ruse | 1,448.22 mi (2,330.68 km) |
| Aberbargoed to Samokov | 1,406.49 mi (2,263.53 km) |
| Aberbargoed to Sandanski | 1,427.70 mi (2,297.65 km) |
| Aberbargoed to Sevlievo | 1,443.30 mi (2,322.77 km) |
| Aberbargoed to Shumen | 1,509.64 mi (2,429.53 km) |
| Aberbargoed to Silistra | 1,492.69 mi (2,402.26 km) |
| Aberbargoed to Sliven | 1,507.62 mi (2,426.28 km) |
