| Ritterhude to Ardea | 818.50 mi (1,317.25 km) |
| Ritterhude to Arenzano | 606.78 mi (976.52 km) |
| Ritterhude to Arese | 527.78 mi (849.39 km) |
| Ritterhude to Arezzo | 686.73 mi (1,105.19 km) |
| Ritterhude to Argelato | 606.34 mi (975.81 km) |
| Ritterhude to Argenta | 608.28 mi (978.94 km) |
| Ritterhude to Ariano Irpino | 882.14 mi (1,419.67 km) |
| Ritterhude to Ariccia | 812.91 mi (1,308.25 km) |
| Ritterhude to Arluno | 531.12 mi (854.75 km) |
| Ritterhude to Arona | 513.38 mi (826.21 km) |
| Ritterhude to Artena | 814.45 mi (1,310.73 km) |
| Ritterhude to Arzachena | 836.73 mi (1,346.59 km) |
| Ritterhude to Arzano | 885.85 mi (1,425.63 km) |
| Ritterhude to Arzignano | 542.34 mi (872.81 km) |
| Ritterhude to Ascoli Piceno | 747.73 mi (1,203.35 km) |
