| Nieuwkoop to Amelia | 754.79 mi (1,214.71 km) |
| Nieuwkoop to Anagni | 821.54 mi (1,322.15 km) |
| Nieuwkoop to Ancona | 716.24 mi (1,152.67 km) |
| Nieuwkoop to Andria | 931.81 mi (1,499.61 km) |
| Nieuwkoop to Angri | 916.53 mi (1,475.02 km) |
| Nieuwkoop to Anguillara Sabazia | 780.85 mi (1,256.65 km) |
| Nieuwkoop to Anzio | 828.58 mi (1,333.46 km) |
| Nieuwkoop to Anzola dell'Emilia | 603.98 mi (972.01 km) |
| Nieuwkoop to Aosta | 460.34 mi (740.85 km) |
| Nieuwkoop to Apricena | 876.00 mi (1,409.78 km) |
| Nieuwkoop to Aprilia | 820.44 mi (1,320.37 km) |
| Nieuwkoop to Aradeo | 1,046.43 mi (1,684.06 km) |
| Nieuwkoop to Aragona | 1,107.74 mi (1,782.73 km) |
| Nieuwkoop to Arco | 513.58 mi (826.53 km) |
| Nieuwkoop to Arcola | 605.12 mi (973.85 km) |
