| Groningen to Lagoa | 1,863.97 mi (2,999.76 km) |
| Groningen to Lagos | 1,332.09 mi (2,143.80 km) |
| Groningen to Lamego | 1,071.48 mi (1,724.37 km) |
| Groningen to Leiria | 1,178.07 mi (1,895.93 km) |
| Groningen to Lisbon | 1,247.99 mi (2,008.44 km) |
| Groningen to Loule | 1,311.80 mi (2,111.14 km) |
| Groningen to Loures | 1,242.10 mi (1,998.97 km) |
| Groningen to Lourinha | 1,222.52 mi (1,967.45 km) |
| Groningen to Lousa | 1,141.17 mi (1,836.54 km) |
| Groningen to Lousada | 1,072.72 mi (1,726.37 km) |
| Groningen to Macedo de Cavaleiros | 1,021.90 mi (1,644.59 km) |
| Groningen to Mafamude | 1,094.01 mi (1,760.64 km) |
| Groningen to Mafra | 1,240.49 mi (1,996.37 km) |
| Groningen to Maia | 1,087.73 mi (1,750.54 km) |
| Groningen to Mangualde | 1,098.77 mi (1,768.29 km) |
