| Milford Haven to Popovo | 1,554.51 mi (2,501.74 km) |
| Milford Haven to Provadia | 1,611.49 mi (2,593.44 km) |
| Milford Haven to Radnevo | 1,582.34 mi (2,546.53 km) |
| Milford Haven to Radomir | 1,448.14 mi (2,330.55 km) |
| Milford Haven to Rakitovo | 1,518.03 mi (2,443.03 km) |
| Milford Haven to Rakovski | 1,542.36 mi (2,482.18 km) |
| Milford Haven to Razgrad | 1,559.67 mi (2,510.04 km) |
| Milford Haven to Razlog | 1,496.67 mi (2,408.66 km) |
| Milford Haven to Ruse | 1,525.20 mi (2,454.58 km) |
| Milford Haven to Samokov | 1,481.79 mi (2,384.70 km) |
| Milford Haven to Sandanski | 1,502.23 mi (2,417.61 km) |
| Milford Haven to Sevlievo | 1,519.64 mi (2,445.63 km) |
| Milford Haven to Shumen | 1,586.59 mi (2,553.37 km) |
| Milford Haven to Silistra | 1,570.04 mi (2,526.74 km) |
| Milford Haven to Sliven | 1,584.11 mi (2,549.38 km) |
