| Tettnang to Montemor-o-Novo | 1,088.38 mi (1,751.57 km) |
| Tettnang to Montemor-o-Velho | 1,043.00 mi (1,678.55 km) |
| Tettnang to Montijo | 1,115.03 mi (1,794.47 km) |
| Tettnang to Mortagua | 1,013.00 mi (1,630.26 km) |
| Tettnang to Moura | 1,081.25 mi (1,740.10 km) |
| Tettnang to Murtosa | 1,018.39 mi (1,638.94 km) |
| Tettnang to Nazare | 1,082.62 mi (1,742.32 km) |
| Tettnang to Nelas | 993.26 mi (1,598.49 km) |
| Tettnang to Obidos | 1,096.64 mi (1,764.86 km) |
| Tettnang to Odemira | 1,154.39 mi (1,857.81 km) |
| Tettnang to Odivelas | 1,121.96 mi (1,805.62 km) |
| Tettnang to Oeiras | 1,132.35 mi (1,822.35 km) |
| Tettnang to Olhao | 1,149.89 mi (1,850.56 km) |
| Tettnang to Oliveira de Azemeis | 1,007.40 mi (1,621.26 km) |
| Tettnang to Oliveira de Frades | 999.60 mi (1,608.70 km) |
