| Bougival to Popovo | 1,209.42 mi (1,946.37 km) |
| Bougival to Provadia | 1,268.50 mi (2,041.46 km) |
| Bougival to Radnevo | 1,230.41 mi (1,980.16 km) |
| Bougival to Radomir | 1,090.25 mi (1,754.59 km) |
| Bougival to Rakitovo | 1,160.10 mi (1,867.00 km) |
| Bougival to Rakovski | 1,188.00 mi (1,911.90 km) |
| Bougival to Razgrad | 1,216.51 mi (1,957.78 km) |
| Bougival to Razlog | 1,136.89 mi (1,829.65 km) |
| Bougival to Ruse | 1,182.47 mi (1,903.00 km) |
| Bougival to Samokov | 1,124.30 mi (1,809.38 km) |
| Bougival to Sandanski | 1,140.73 mi (1,835.83 km) |
| Bougival to Sevlievo | 1,169.68 mi (1,882.41 km) |
| Bougival to Shumen | 1,242.92 mi (2,000.29 km) |
| Bougival to Silistra | 1,232.86 mi (1,984.10 km) |
| Bougival to Sliven | 1,235.29 mi (1,988.01 km) |
