| Seia to Pyrzyce | 1,372.93 mi (2,209.52 km) |
| Seia to Pyskowice | 1,439.61 mi (2,316.83 km) |
| Seia to Raciborz | 1,417.02 mi (2,280.48 km) |
| Seia to Radom | 1,566.67 mi (2,521.31 km) |
| Seia to Radomsko | 1,489.26 mi (2,396.74 km) |
| Seia to Radzionkow Nowy | 1,450.77 mi (2,334.78 km) |
| Seia to Radzymin | 1,590.22 mi (2,559.22 km) |
| Seia to Radzyn Podlaski | 1,634.58 mi (2,630.61 km) |
| Seia to Rawa Mazowiecka | 1,537.89 mi (2,474.99 km) |
| Seia to Rawicz | 1,398.75 mi (2,251.08 km) |
| Seia to Reda | 1,546.32 mi (2,488.57 km) |
| Seia to Rogozno | 1,437.69 mi (2,313.73 km) |
| Seia to Ropczyce | 1,560.61 mi (2,511.56 km) |
| Seia to Ruda Slaska | 1,446.96 mi (2,328.66 km) |
| Seia to Rumia | 1,546.43 mi (2,488.75 km) |
