| Pembroke Dock to Popovo | 1,550.18 mi (2,494.77 km) |
| Pembroke Dock to Provadia | 1,607.17 mi (2,586.49 km) |
| Pembroke Dock to Radnevo | 1,577.98 mi (2,539.51 km) |
| Pembroke Dock to Radomir | 1,443.75 mi (2,323.50 km) |
| Pembroke Dock to Rakitovo | 1,513.65 mi (2,435.98 km) |
| Pembroke Dock to Rakovski | 1,537.99 mi (2,475.15 km) |
| Pembroke Dock to Razgrad | 1,555.35 mi (2,503.09 km) |
| Pembroke Dock to Razlog | 1,492.29 mi (2,401.60 km) |
| Pembroke Dock to Ruse | 1,520.88 mi (2,447.63 km) |
| Pembroke Dock to Samokov | 1,477.41 mi (2,377.66 km) |
| Pembroke Dock to Sandanski | 1,497.84 mi (2,410.55 km) |
| Pembroke Dock to Sevlievo | 1,515.29 mi (2,438.63 km) |
| Pembroke Dock to Shumen | 1,582.27 mi (2,546.41 km) |
| Pembroke Dock to Silistra | 1,565.75 mi (2,519.84 km) |
| Pembroke Dock to Sliven | 1,579.77 mi (2,542.39 km) |
