| Harlow to Lagoa | 1,094.98 mi (1,762.20 km) |
| Harlow to Lagoa | 1,576.60 mi (2,537.29 km) |
| Harlow to Lagos | 1,101.15 mi (1,772.13 km) |
| Harlow to Lamego | 827.81 mi (1,332.24 km) |
| Harlow to Leiria | 934.30 mi (1,503.61 km) |
| Harlow to Lisbon | 1,006.64 mi (1,620.03 km) |
| Harlow to Loule | 1,085.70 mi (1,747.27 km) |
| Harlow to Loures | 1,000.15 mi (1,609.59 km) |
| Harlow to Lourinha | 977.82 mi (1,573.65 km) |
| Harlow to Lousa | 899.52 mi (1,447.65 km) |
| Harlow to Lousada | 824.81 mi (1,327.41 km) |
| Harlow to Macedo de Cavaleiros | 782.43 mi (1,259.20 km) |
| Harlow to Mafamude | 844.59 mi (1,359.23 km) |
| Harlow to Mafra | 996.93 mi (1,604.40 km) |
| Harlow to Maia | 837.59 mi (1,347.97 km) |
