| Abertillery to Popovo | 1,474.19 mi (2,372.49 km) |
| Abertillery to Provadia | 1,530.94 mi (2,463.81 km) |
| Abertillery to Radnevo | 1,502.84 mi (2,418.59 km) |
| Abertillery to Radomir | 1,369.76 mi (2,204.42 km) |
| Abertillery to Rakitovo | 1,439.61 mi (2,316.83 km) |
| Abertillery to Rakovski | 1,463.26 mi (2,354.89 km) |
| Abertillery to Razgrad | 1,479.17 mi (2,380.49 km) |
| Abertillery to Razlog | 1,418.67 mi (2,283.12 km) |
| Abertillery to Ruse | 1,444.68 mi (2,324.99 km) |
| Abertillery to Samokov | 1,403.31 mi (2,258.40 km) |
| Abertillery to Sandanski | 1,424.64 mi (2,292.73 km) |
| Abertillery to Sevlievo | 1,439.92 mi (2,317.33 km) |
| Abertillery to Shumen | 1,506.12 mi (2,423.86 km) |
| Abertillery to Silistra | 1,489.05 mi (2,396.40 km) |
| Abertillery to Sliven | 1,504.20 mi (2,420.78 km) |
