| Guyancourt to Anagni | 724.28 mi (1,165.61 km) |
| Guyancourt to Ancona | 651.90 mi (1,049.13 km) |
| Guyancourt to Andria | 866.94 mi (1,395.21 km) |
| Guyancourt to Angri | 825.24 mi (1,328.10 km) |
| Guyancourt to Anguillara Sabazia | 675.55 mi (1,087.19 km) |
| Guyancourt to Anzio | 720.51 mi (1,159.56 km) |
| Guyancourt to Anzola dell'Emilia | 521.26 mi (838.89 km) |
| Guyancourt to Aosta | 323.16 mi (520.08 km) |
| Guyancourt to Apricena | 808.17 mi (1,300.62 km) |
| Guyancourt to Aprilia | 714.29 mi (1,149.54 km) |
| Guyancourt to Aradeo | 988.40 mi (1,590.68 km) |
| Guyancourt to Aragona | 975.63 mi (1,570.13 km) |
| Guyancourt to Arco | 456.80 mi (735.14 km) |
| Guyancourt to Arcola | 491.75 mi (791.39 km) |
| Guyancourt to Arcore | 402.98 mi (648.54 km) |
