| Cities | Distance |
|---|
| Speyer to Popovo | 941.01 mi (1,514.41 km) |
| Speyer to Provadia | 998.34 mi (1,606.67 km) |
| Speyer to Radnevo | 969.11 mi (1,559.64 km) |
| Speyer to Radomir | 837.73 mi (1,348.19 km) |
| Speyer to Rakitovo | 907.39 mi (1,460.30 km) |
| Speyer to Rakovski | 929.87 mi (1,496.48 km) |
| Speyer to Razgrad | 946.44 mi (1,523.15 km) |
| Speyer to Razlog | 887.50 mi (1,428.29 km) |
| Speyer to Ruse | 912.02 mi (1,467.75 km) |
| Speyer to Samokov | 870.99 mi (1,401.72 km) |
| Speyer to Sandanski | 894.66 mi (1,439.82 km) |
| Speyer to Sevlievo | 906.16 mi (1,458.32 km) |
| Speyer to Shumen | 973.30 mi (1,566.37 km) |
| Speyer to Silistra | 958.41 mi (1,542.42 km) |
| Speyer to Sliven | 970.51 mi (1,561.88 km) |
