| Guyancourt to Loudeac | 224.84 mi (361.85 km) |
| Guyancourt to Lourdes | 405.16 mi (652.05 km) |
| Guyancourt to Louviers | 51.34 mi (82.63 km) |
| Guyancourt to Louvres | 27.17 mi (43.73 km) |
| Guyancourt to Luce | 36.11 mi (58.11 km) |
| Guyancourt to Lucon | 219.94 mi (353.96 km) |
| Guyancourt to Lunel | 365.49 mi (588.20 km) |
| Guyancourt to Luneville | 202.36 mi (325.66 km) |
| Guyancourt to Lyon | 245.14 mi (394.51 km) |
| Guyancourt to Lys-les-Lannoy | 140.81 mi (226.61 km) |
| Guyancourt to Macon | 213.40 mi (343.43 km) |
| Guyancourt to Magny-le-Hongre | 34.24 mi (55.11 km) |
| Guyancourt to Magny-les-Hameaux | 3.32 mi (5.34 km) |
| Guyancourt to Mainvilliers | 35.57 mi (57.24 km) |
| Guyancourt to Maisons-Alfort | 16.73 mi (26.93 km) |
