| Cities | Distance |
|---|---|
| Seia to Montalegre | 96.92 mi (155.97 km) |
| Seia to Montemor-o-Novo | 125.46 mi (201.91 km) |
| Seia to Montemor-o-Velho | 54.62 mi (87.90 km) |
| Seia to Montijo | 136.02 mi (218.90 km) |
| Seia to Mortagua | 27.93 mi (44.96 km) |
| Seia to Moura | 158.71 mi (255.42 km) |
| Seia to Murtosa | 53.38 mi (85.90 km) |
| Seia to Nazare | 91.86 mi (147.83 km) |
| Seia to Nelas | 10.15 mi (16.33 km) |
| Seia to Obidos | 106.56 mi (171.50 km) |
| Seia to Odemira | 202.40 mi (325.73 km) |
| Seia to Odivelas | 137.45 mi (221.21 km) |
| Seia to Oeiras | 147.74 mi (237.76 km) |
| Seia to Olhao | 234.76 mi (377.81 km) |
| Seia to Oliveira de Azemeis | 49.75 mi (80.07 km) |