| Portimao to Popovo | 1,868.97 mi (3,007.82 km) |
| Portimao to Provadia | 1,929.19 mi (3,104.73 km) |
| Portimao to Radnevo | 1,853.27 mi (2,982.54 km) |
| Portimao to Radomir | 1,701.36 mi (2,738.07 km) |
| Portimao to Rakitovo | 1,758.58 mi (2,830.16 km) |
| Portimao to Rakovski | 1,803.81 mi (2,902.95 km) |
| Portimao to Razgrad | 1,883.49 mi (3,031.19 km) |
| Portimao to Razlog | 1,726.87 mi (2,779.13 km) |
| Portimao to Ruse | 1,856.07 mi (2,987.06 km) |
| Portimao to Samokov | 1,731.80 mi (2,787.07 km) |
| Portimao to Sandanski | 1,717.37 mi (2,763.84 km) |
| Portimao to Sevlievo | 1,812.02 mi (2,916.16 km) |
| Portimao to Shumen | 1,904.07 mi (3,064.31 km) |
| Portimao to Silistra | 1,921.80 mi (3,092.84 km) |
| Portimao to Sliven | 1,873.51 mi (3,015.12 km) |
