| Guyancourt to Ploufragan | 223.19 mi (359.18 km) |
| Guyancourt to Plougastel-Daoulas | 295.82 mi (476.08 km) |
| Guyancourt to Plouzane | 306.22 mi (492.81 km) |
| Guyancourt to Poissy | 10.99 mi (17.69 km) |
| Guyancourt to Poitiers | 171.55 mi (276.08 km) |
| Guyancourt to Pont-a-Mousson | 181.22 mi (291.65 km) |
| Guyancourt to Pont-du-Chateau | 212.66 mi (342.24 km) |
| Guyancourt to Pont-Saint-Esprit | 335.06 mi (539.23 km) |
| Guyancourt to Pont-Sainte-Maxence | 43.76 mi (70.43 km) |
| Guyancourt to Pontarlier | 236.64 mi (380.83 km) |
| Guyancourt to Pontchateau | 212.97 mi (342.74 km) |
| Guyancourt to Pontivy | 235.96 mi (379.74 km) |
| Guyancourt to Pontoise | 19.40 mi (31.22 km) |
| Guyancourt to Pornic | 224.60 mi (361.46 km) |
| Guyancourt to Pornichet | 228.94 mi (368.44 km) |
