| Giessen to Anagni | 647.26 mi (1,041.67 km) |
| Giessen to Ancona | 532.36 mi (856.76 km) |
| Giessen to Andria | 743.09 mi (1,195.88 km) |
| Giessen to Angri | 737.22 mi (1,186.44 km) |
| Giessen to Anguillara Sabazia | 611.70 mi (984.43 km) |
| Giessen to Anzio | 658.99 mi (1,060.55 km) |
| Giessen to Anzola dell'Emilia | 433.33 mi (697.38 km) |
| Giessen to Aosta | 340.81 mi (548.49 km) |
| Giessen to Apricena | 689.17 mi (1,109.11 km) |
| Giessen to Aprilia | 650.23 mi (1,046.45 km) |
| Giessen to Aradeo | 854.35 mi (1,374.95 km) |
| Giessen to Aragona | 942.87 mi (1,517.40 km) |
| Giessen to Arco | 338.13 mi (544.17 km) |
| Giessen to Arcola | 450.50 mi (725.00 km) |
| Giessen to Arcore | 343.32 mi (552.52 km) |
