| San Pedro de Ribas to Popovo | 1,253.69 mi (2,017.61 km) |
| San Pedro de Ribas to Provadia | 1,314.49 mi (2,115.47 km) |
| San Pedro de Ribas to Radnevo | 1,242.72 mi (1,999.97 km) |
| San Pedro de Ribas to Radomir | 1,089.78 mi (1,753.84 km) |
| San Pedro de Ribas to Rakitovo | 1,150.17 mi (1,851.02 km) |
| San Pedro de Ribas to Rakovski | 1,193.49 mi (1,920.73 km) |
| San Pedro de Ribas to Razgrad | 1,267.54 mi (2,039.91 km) |
| San Pedro de Ribas to Razlog | 1,119.21 mi (1,801.19 km) |
| San Pedro de Ribas to Ruse | 1,239.14 mi (1,994.20 km) |
| San Pedro de Ribas to Samokov | 1,121.38 mi (1,804.69 km) |
| San Pedro de Ribas to Sandanski | 1,111.86 mi (1,789.36 km) |
| San Pedro de Ribas to Sevlievo | 1,198.07 mi (1,928.11 km) |
| San Pedro de Ribas to Shumen | 1,289.02 mi (2,074.48 km) |
| San Pedro de Ribas to Silistra | 1,304.05 mi (2,098.67 km) |
| San Pedro de Ribas to Sliven | 1,261.02 mi (2,029.42 km) |
