| Oberhausen to Ardea | 733.48 mi (1,180.42 km) |
| Oberhausen to Arenzano | 497.11 mi (800.02 km) |
| Oberhausen to Arese | 422.94 mi (680.65 km) |
| Oberhausen to Arezzo | 601.95 mi (968.74 km) |
| Oberhausen to Argelato | 520.78 mi (838.11 km) |
| Oberhausen to Argenta | 527.52 mi (848.95 km) |
| Oberhausen to Ariano Irpino | 814.01 mi (1,310.03 km) |
| Oberhausen to Ariccia | 729.02 mi (1,173.25 km) |
| Oberhausen to Arluno | 424.91 mi (683.83 km) |
| Oberhausen to Arona | 403.99 mi (650.15 km) |
| Oberhausen to Artena | 732.46 mi (1,178.78 km) |
| Oberhausen to Arzachena | 729.31 mi (1,173.71 km) |
| Oberhausen to Arzano | 811.07 mi (1,305.29 km) |
| Oberhausen to Arzignano | 460.71 mi (741.44 km) |
| Oberhausen to Ascoli Piceno | 674.85 mi (1,086.06 km) |
