| Helston to Popovo | 1,550.05 mi (2,494.56 km) |
| Helston to Provadia | 1,608.55 mi (2,588.71 km) |
| Helston to Radnevo | 1,572.77 mi (2,531.13 km) |
| Helston to Radomir | 1,433.38 mi (2,306.80 km) |
| Helston to Rakitovo | 1,503.24 mi (2,419.24 km) |
| Helston to Rakovski | 1,530.76 mi (2,463.51 km) |
| Helston to Razgrad | 1,556.55 mi (2,505.02 km) |
| Helston to Razlog | 1,480.10 mi (2,381.99 km) |
| Helston to Ruse | 1,522.33 mi (2,449.95 km) |
| Helston to Samokov | 1,467.40 mi (2,361.55 km) |
| Helston to Sandanski | 1,483.89 mi (2,388.09 km) |
| Helston to Sevlievo | 1,511.57 mi (2,432.63 km) |
| Helston to Shumen | 1,583.15 mi (2,547.84 km) |
| Helston to Silistra | 1,570.84 mi (2,528.03 km) |
| Helston to Sliven | 1,576.96 mi (2,537.88 km) |
