| Formby to Popovo | 1,501.70 mi (2,416.75 km) |
| Formby to Provadia | 1,556.27 mi (2,504.58 km) |
| Formby to Radnevo | 1,535.95 mi (2,471.88 km) |
| Formby to Radomir | 1,409.80 mi (2,268.85 km) |
| Formby to Rakitovo | 1,479.09 mi (2,380.36 km) |
| Formby to Rakovski | 1,498.97 mi (2,412.36 km) |
| Formby to Razgrad | 1,505.09 mi (2,422.21 km) |
| Formby to Razlog | 1,460.31 mi (2,350.14 km) |
| Formby to Ruse | 1,470.59 mi (2,366.69 km) |
| Formby to Samokov | 1,442.64 mi (2,321.70 km) |
| Formby to Sandanski | 1,468.20 mi (2,362.83 km) |
| Formby to Sevlievo | 1,471.83 mi (2,368.67 km) |
| Formby to Shumen | 1,532.20 mi (2,465.84 km) |
| Formby to Silistra | 1,510.37 mi (2,430.70 km) |
| Formby to Sliven | 1,534.56 mi (2,469.63 km) |
