| Sidmouth to Popovo | 1,466.13 mi (2,359.50 km) |
| Sidmouth to Provadia | 1,523.97 mi (2,452.59 km) |
| Sidmouth to Radnevo | 1,491.34 mi (2,400.08 km) |
| Sidmouth to Radomir | 1,354.56 mi (2,179.96 km) |
| Sidmouth to Rakitovo | 1,424.50 mi (2,292.50 km) |
| Sidmouth to Rakovski | 1,450.34 mi (2,334.09 km) |
| Sidmouth to Razgrad | 1,472.01 mi (2,368.98 km) |
| Sidmouth to Razlog | 1,402.32 mi (2,256.81 km) |
| Sidmouth to Ruse | 1,437.66 mi (2,313.69 km) |
| Sidmouth to Samokov | 1,388.41 mi (2,234.43 km) |
| Sidmouth to Sandanski | 1,407.10 mi (2,264.52 km) |
| Sidmouth to Sevlievo | 1,429.35 mi (2,300.32 km) |
| Sidmouth to Shumen | 1,498.78 mi (2,412.06 km) |
| Sidmouth to Silistra | 1,484.59 mi (2,389.21 km) |
| Sidmouth to Sliven | 1,494.34 mi (2,404.91 km) |
