| Tettnang to Lagoa | 1,892.91 mi (3,046.35 km) |
| Tettnang to Lagos | 1,178.80 mi (1,897.10 km) |
| Tettnang to Lamego | 968.56 mi (1,558.74 km) |
| Tettnang to Leiria | 1,065.06 mi (1,714.05 km) |
| Tettnang to Lisbon | 1,123.56 mi (1,808.20 km) |
| Tettnang to Loule | 1,150.03 mi (1,850.79 km) |
| Tettnang to Loures | 1,119.54 mi (1,801.72 km) |
| Tettnang to Lourinha | 1,107.93 mi (1,783.04 km) |
| Tettnang to Lousa | 1,026.60 mi (1,652.15 km) |
| Tettnang to Lousada | 979.71 mi (1,576.69 km) |
| Tettnang to Macedo de Cavaleiros | 915.10 mi (1,472.72 km) |
| Tettnang to Mafamude | 1,002.51 mi (1,613.39 km) |
| Tettnang to Mafra | 1,121.78 mi (1,805.33 km) |
| Tettnang to Maia | 998.67 mi (1,607.21 km) |
| Tettnang to Mangualde | 985.94 mi (1,586.72 km) |
