| Penwortham to Popovo | 1,491.64 mi (2,400.57 km) |
| Penwortham to Provadia | 1,545.91 mi (2,487.91 km) |
| Penwortham to Radnevo | 1,526.62 mi (2,456.86 km) |
| Penwortham to Radomir | 1,401.49 mi (2,255.48 km) |
| Penwortham to Rakitovo | 1,470.66 mi (2,366.79 km) |
| Penwortham to Rakovski | 1,490.01 mi (2,397.94 km) |
| Penwortham to Razgrad | 1,494.83 mi (2,405.70 km) |
| Penwortham to Razlog | 1,452.19 mi (2,337.08 km) |
| Penwortham to Ruse | 1,460.35 mi (2,350.21 km) |
| Penwortham to Samokov | 1,434.21 mi (2,308.14 km) |
| Penwortham to Sandanski | 1,460.35 mi (2,350.21 km) |
| Penwortham to Sevlievo | 1,462.36 mi (2,353.45 km) |
| Penwortham to Shumen | 1,521.95 mi (2,449.34 km) |
| Penwortham to Silistra | 1,499.52 mi (2,413.25 km) |
| Penwortham to Sliven | 1,524.86 mi (2,454.02 km) |
