| Nidderau to Anagni | 622.09 mi (1,001.15 km) |
| Nidderau to Ancona | 507.19 mi (816.24 km) |
| Nidderau to Andria | 718.14 mi (1,155.74 km) |
| Nidderau to Angri | 712.00 mi (1,145.86 km) |
| Nidderau to Anguillara Sabazia | 586.65 mi (944.12 km) |
| Nidderau to Anzio | 633.92 mi (1,020.19 km) |
| Nidderau to Anzola dell'Emilia | 408.34 mi (657.15 km) |
| Nidderau to Aosta | 320.53 mi (515.84 km) |
| Nidderau to Apricena | 664.11 mi (1,068.78 km) |
| Nidderau to Aprilia | 625.14 mi (1,006.07 km) |
| Nidderau to Aradeo | 829.69 mi (1,335.26 km) |
| Nidderau to Aragona | 917.86 mi (1,477.15 km) |
| Nidderau to Arco | 313.05 mi (503.81 km) |
| Nidderau to Arcola | 426.35 mi (686.15 km) |
| Nidderau to Arcore | 319.56 mi (514.29 km) |
