| Ratingen to Popovo | 1,056.21 mi (1,699.80 km) |
| Ratingen to Provadia | 1,110.98 mi (1,787.96 km) |
| Ratingen to Radnevo | 1,090.86 mi (1,755.57 km) |
| Ratingen to Radomir | 967.30 mi (1,556.72 km) |
| Ratingen to Rakitovo | 1,036.13 mi (1,667.49 km) |
| Ratingen to Rakovski | 1,054.54 mi (1,697.12 km) |
| Ratingen to Razgrad | 1,059.71 mi (1,705.45 km) |
| Ratingen to Razlog | 1,018.52 mi (1,639.15 km) |
| Ratingen to Ruse | 1,025.21 mi (1,649.91 km) |
| Ratingen to Samokov | 999.70 mi (1,608.87 km) |
| Ratingen to Sandanski | 1,027.54 mi (1,653.67 km) |
| Ratingen to Sevlievo | 1,026.57 mi (1,652.11 km) |
| Ratingen to Shumen | 1,086.82 mi (1,749.07 km) |
| Ratingen to Silistra | 1,065.89 mi (1,715.39 km) |
| Ratingen to Sliven | 1,089.11 mi (1,752.75 km) |
