| Culemborg to Popovo | 1,137.70 mi (1,830.95 km) |
| Culemborg to Provadia | 1,192.10 mi (1,918.50 km) |
| Culemborg to Radnevo | 1,173.01 mi (1,887.78 km) |
| Culemborg to Radomir | 1,049.90 mi (1,689.65 km) |
| Culemborg to Rakitovo | 1,118.70 mi (1,800.38 km) |
| Culemborg to Rakovski | 1,136.92 mi (1,829.70 km) |
| Culemborg to Razgrad | 1,140.96 mi (1,836.19 km) |
| Culemborg to Razlog | 1,101.13 mi (1,772.10 km) |
| Culemborg to Ruse | 1,106.47 mi (1,780.69 km) |
| Culemborg to Samokov | 1,082.28 mi (1,741.76 km) |
| Culemborg to Sandanski | 1,110.15 mi (1,786.61 km) |
| Culemborg to Sevlievo | 1,108.64 mi (1,784.18 km) |
| Culemborg to Shumen | 1,168.07 mi (1,879.83 km) |
| Culemborg to Silistra | 1,146.28 mi (1,844.76 km) |
| Culemborg to Sliven | 1,170.97 mi (1,884.49 km) |
