| Seia to Torun | 1,506.43 mi (2,424.37 km) |
| Seia to Trzcianka | 1,427.42 mi (2,297.20 km) |
| Seia to Trzebiatow | 1,419.79 mi (2,284.93 km) |
| Seia to Trzebinia | 1,471.58 mi (2,368.27 km) |
| Seia to Trzebnica | 1,398.48 mi (2,250.64 km) |
| Seia to Tuchola | 1,495.60 mi (2,406.94 km) |
| Seia to Turek | 1,474.33 mi (2,372.71 km) |
| Seia to Tychy | 1,449.68 mi (2,333.03 km) |
| Seia to Ustka | 1,493.02 mi (2,402.79 km) |
| Seia to Ustron | 1,434.13 mi (2,308.01 km) |
| Seia to Ustrzyki Dolne | 1,593.46 mi (2,564.43 km) |
| Seia to Wabrzezno | 1,526.74 mi (2,457.04 km) |
| Seia to Wadowice | 1,466.76 mi (2,360.53 km) |
| Seia to Wagrowiec | 1,446.75 mi (2,328.31 km) |
| Seia to Walbrzych | 1,352.94 mi (2,177.35 km) |
