| Heidelberg to Ardea | 569.79 mi (916.99 km) |
| Heidelberg to Arenzano | 346.33 mi (557.37 km) |
| Heidelberg to Arese | 267.66 mi (430.76 km) |
| Heidelberg to Arezzo | 437.92 mi (704.76 km) |
| Heidelberg to Argelato | 356.67 mi (574.00 km) |
| Heidelberg to Argenta | 362.70 mi (583.71 km) |
| Heidelberg to Ariano Irpino | 649.04 mi (1,044.53 km) |
| Heidelberg to Ariccia | 565.08 mi (909.41 km) |
| Heidelberg to Arluno | 270.81 mi (435.82 km) |
| Heidelberg to Arona | 252.97 mi (407.12 km) |
| Heidelberg to Artena | 568.17 mi (914.39 km) |
| Heidelberg to Arzachena | 576.69 mi (928.09 km) |
| Heidelberg to Arzano | 646.09 mi (1,039.79 km) |
| Heidelberg to Arzignano | 295.84 mi (476.11 km) |
| Heidelberg to Ascoli Piceno | 509.79 mi (820.42 km) |
