| Ilford to Popovo | 1,337.22 mi (2,152.04 km) |
| Ilford to Provadia | 1,393.65 mi (2,242.86 km) |
| Ilford to Radnevo | 1,366.99 mi (2,199.96 km) |
| Ilford to Radomir | 1,235.66 mi (1,988.60 km) |
| Ilford to Rakitovo | 1,305.39 mi (2,100.83 km) |
| Ilford to Rakovski | 1,328.02 mi (2,137.24 km) |
| Ilford to Razgrad | 1,341.94 mi (2,159.64 km) |
| Ilford to Razlog | 1,285.11 mi (2,068.18 km) |
| Ilford to Ruse | 1,307.44 mi (2,104.11 km) |
| Ilford to Samokov | 1,269.02 mi (2,042.29 km) |
| Ilford to Sandanski | 1,291.72 mi (2,078.83 km) |
| Ilford to Sevlievo | 1,303.77 mi (2,098.21 km) |
| Ilford to Shumen | 1,368.93 mi (2,203.07 km) |
| Ilford to Silistra | 1,351.23 mi (2,174.60 km) |
| Ilford to Sliven | 1,367.77 mi (2,201.21 km) |
