| Cities | Distance |
|---|---|
| Guyancourt to Lagoa | 1,573.79 mi (2,532.77 km) |
| Guyancourt to Lagos | 970.26 mi (1,561.49 km) |
| Guyancourt to Lamego | 716.18 mi (1,152.57 km) |
| Guyancourt to Leiria | 821.78 mi (1,322.52 km) |
| Guyancourt to Lisbon | 890.02 mi (1,432.34 km) |
| Guyancourt to Loule | 949.05 mi (1,527.34 km) |
| Guyancourt to Loures | 884.45 mi (1,423.38 km) |
| Guyancourt to Lourinha | 866.33 mi (1,394.23 km) |
| Guyancourt to Lousa | 784.14 mi (1,261.95 km) |
| Guyancourt to Lousada | 719.93 mi (1,158.62 km) |
| Guyancourt to Macedo de Cavaleiros | 665.02 mi (1,070.25 km) |
| Guyancourt to Mafamude | 741.95 mi (1,194.05 km) |
| Guyancourt to Mafra | 883.59 mi (1,422.01 km) |
| Guyancourt to Maia | 736.26 mi (1,184.89 km) |
| Guyancourt to Mangualde | 741.61 mi (1,193.51 km) |