| Houghton Regis to Lagoa | 1,091.12 mi (1,755.98 km) |
| Houghton Regis to Lagoa | 1,556.20 mi (2,504.47 km) |
| Houghton Regis to Lagos | 1,097.00 mi (1,765.45 km) |
| Houghton Regis to Lamego | 821.93 mi (1,322.76 km) |
| Houghton Regis to Leiria | 928.06 mi (1,493.56 km) |
| Houghton Regis to Lisbon | 1,000.70 mi (1,610.48 km) |
| Houghton Regis to Loule | 1,082.46 mi (1,742.05 km) |
| Houghton Regis to Loures | 994.11 mi (1,599.87 km) |
| Houghton Regis to Lourinha | 971.27 mi (1,563.11 km) |
| Houghton Regis to Lousa | 893.82 mi (1,438.47 km) |
| Houghton Regis to Lousada | 818.02 mi (1,316.47 km) |
| Houghton Regis to Macedo de Cavaleiros | 777.59 mi (1,251.41 km) |
| Houghton Regis to Mafamude | 837.39 mi (1,347.65 km) |
| Houghton Regis to Mafra | 990.56 mi (1,594.16 km) |
| Houghton Regis to Maia | 830.25 mi (1,336.16 km) |
