| Runcorn to Popovo | 1,484.40 mi (2,388.91 km) |
| Runcorn to Provadia | 1,539.18 mi (2,477.07 km) |
| Runcorn to Radnevo | 1,518.20 mi (2,443.31 km) |
| Runcorn to Radomir | 1,391.48 mi (2,239.38 km) |
| Runcorn to Rakitovo | 1,460.83 mi (2,350.98 km) |
| Runcorn to Rakovski | 1,481.01 mi (2,383.45 km) |
| Runcorn to Razgrad | 1,487.93 mi (2,394.60 km) |
| Runcorn to Razlog | 1,441.89 mi (2,320.50 km) |
| Runcorn to Ruse | 1,453.43 mi (2,339.06 km) |
| Runcorn to Samokov | 1,424.38 mi (2,292.32 km) |
| Runcorn to Sandanski | 1,449.65 mi (2,332.98 km) |
| Runcorn to Sevlievo | 1,454.15 mi (2,340.23 km) |
| Runcorn to Shumen | 1,515.04 mi (2,438.22 km) |
| Runcorn to Silistra | 1,493.62 mi (2,403.75 km) |
| Runcorn to Sliven | 1,517.03 mi (2,441.42 km) |
