| Mariehamn to Teramo | 1,233.33 mi (1,984.86 km) |
| Mariehamn to Terlizzi | 1,318.42 mi (2,121.79 km) |
| Mariehamn to Termini Imerese | 1,552.36 mi (2,498.28 km) |
| Mariehamn to Termoli | 1,268.08 mi (2,040.77 km) |
| Mariehamn to Terni | 1,250.19 mi (2,011.98 km) |
| Mariehamn to Terracina | 1,331.00 mi (2,142.03 km) |
| Mariehamn to Terralba | 1,490.30 mi (2,398.41 km) |
| Mariehamn to Terranuova Bracciolini | 1,195.29 mi (1,923.63 km) |
| Mariehamn to Terrasini Favarotta | 1,545.96 mi (2,487.99 km) |
| Mariehamn to Terzigno | 1,353.66 mi (2,178.51 km) |
| Mariehamn to Tezze sul Brenta | 1,051.41 mi (1,692.08 km) |
| Mariehamn to Thiene | 1,053.01 mi (1,694.66 km) |
| Mariehamn to Tirano | 1,038.50 mi (1,671.30 km) |
| Mariehamn to Tivoli | 1,288.88 mi (2,074.25 km) |
| Mariehamn to Todi | 1,237.92 mi (1,992.24 km) |
