| Ilkeston to Popovo | 1,420.55 mi (2,286.16 km) |
| Ilkeston to Provadia | 1,475.50 mi (2,374.58 km) |
| Ilkeston to Radnevo | 1,454.05 mi (2,340.07 km) |
| Ilkeston to Radomir | 1,327.15 mi (2,135.84 km) |
| Ilkeston to Rakitovo | 1,396.50 mi (2,247.45 km) |
| Ilkeston to Rakovski | 1,416.76 mi (2,280.06 km) |
| Ilkeston to Razgrad | 1,424.19 mi (2,292.02 km) |
| Ilkeston to Razlog | 1,377.55 mi (2,216.95 km) |
| Ilkeston to Ruse | 1,389.68 mi (2,236.48 km) |
| Ilkeston to Samokov | 1,360.06 mi (2,188.80 km) |
| Ilkeston to Sandanski | 1,385.31 mi (2,229.44 km) |
| Ilkeston to Sevlievo | 1,390.05 mi (2,237.07 km) |
| Ilkeston to Shumen | 1,451.29 mi (2,335.63 km) |
| Ilkeston to Silistra | 1,430.27 mi (2,301.79 km) |
| Ilkeston to Sliven | 1,453.01 mi (2,338.40 km) |
