| Peso da Regua to Popovo | 1,733.65 mi (2,790.04 km) |
| Peso da Regua to Provadia | 1,795.00 mi (2,888.77 km) |
| Peso da Regua to Radnevo | 1,728.50 mi (2,781.76 km) |
| Peso da Regua to Radomir | 1,575.43 mi (2,535.41 km) |
| Peso da Regua to Rakitovo | 1,638.22 mi (2,636.45 km) |
| Peso da Regua to Rakovski | 1,679.73 mi (2,703.26 km) |
| Peso da Regua to Razgrad | 1,746.30 mi (2,810.40 km) |
| Peso da Regua to Razlog | 1,607.95 mi (2,587.75 km) |
| Peso da Regua to Ruse | 1,716.20 mi (2,761.96 km) |
| Peso da Regua to Samokov | 1,607.93 mi (2,587.72 km) |
| Peso da Regua to Sandanski | 1,602.01 mi (2,578.19 km) |
| Peso da Regua to Sevlievo | 1,680.32 mi (2,704.22 km) |
| Peso da Regua to Shumen | 1,769.14 mi (2,847.16 km) |
| Peso da Regua to Silistra | 1,778.84 mi (2,862.77 km) |
| Peso da Regua to Sliven | 1,744.70 mi (2,807.83 km) |
