| San Roque to Popovo | 1,738.11 mi (2,797.22 km) |
| San Roque to Provadia | 1,797.25 mi (2,892.39 km) |
| San Roque to Radnevo | 1,717.03 mi (2,763.30 km) |
| San Roque to Radomir | 1,567.07 mi (2,521.95 km) |
| San Roque to Rakitovo | 1,620.94 mi (2,608.66 km) |
| San Roque to Rakovski | 1,667.64 mi (2,683.80 km) |
| San Roque to Razgrad | 1,753.53 mi (2,822.03 km) |
| San Roque to Razlog | 1,588.80 mi (2,556.93 km) |
| San Roque to Ruse | 1,727.80 mi (2,780.63 km) |
| San Roque to Samokov | 1,596.17 mi (2,568.78 km) |
| San Roque to Sandanski | 1,577.65 mi (2,538.98 km) |
| San Roque to Sevlievo | 1,679.71 mi (2,703.23 km) |
| San Roque to Shumen | 1,772.72 mi (2,852.92 km) |
| San Roque to Silistra | 1,794.70 mi (2,888.29 km) |
| San Roque to Sliven | 1,739.18 mi (2,798.94 km) |
