| Sigulda to Popovo | 955.35 mi (1,537.48 km) |
| Sigulda to Provadia | 971.49 mi (1,563.47 km) |
| Sigulda to Radnevo | 1,027.11 mi (1,652.97 km) |
| Sigulda to Radomir | 1,012.27 mi (1,629.09 km) |
| Sigulda to Rakitovo | 1,048.49 mi (1,687.38 km) |
| Sigulda to Rakovski | 1,026.85 mi (1,652.55 km) |
| Sigulda to Razgrad | 943.56 mi (1,518.51 km) |
| Sigulda to Razlog | 1,056.64 mi (1,700.49 km) |
| Sigulda to Ruse | 922.01 mi (1,483.83 km) |
| Sigulda to Samokov | 1,025.10 mi (1,649.73 km) |
| Sigulda to Sandanski | 1,078.89 mi (1,736.30 km) |
| Sigulda to Sevlievo | 975.96 mi (1,570.66 km) |
| Sigulda to Shumen | 962.33 mi (1,548.72 km) |
| Sigulda to Silistra | 906.43 mi (1,458.75 km) |
| Sigulda to Sliven | 1,001.62 mi (1,611.95 km) |
