| Piqua to Arcata (California) | 2,074.83 mi (3,339.12 km) |
| Piqua to Archdale (North Carolina) | 374.74 mi (603.09 km) |
| Piqua to Arden-Arcade (California) | 1,972.05 mi (3,173.70 km) |
| Piqua to Ardmore (Oklahoma) | 818.70 mi (1,317.57 km) |
| Piqua to Ardmore (Pennsylvania) | 473.05 mi (761.31 km) |
| Piqua to Arecibo (Puerto Rico) | 1,825.56 mi (2,937.95 km) |
| Piqua to Arkadelphia (Arkansas) | 639.55 mi (1,029.26 km) |
| Piqua to Arkansas City (Kansas) | 721.99 mi (1,161.93 km) |
| Piqua to Arlington (Tennessee) | 449.38 mi (723.21 km) |
| Piqua to Arlington (Texas) | 880.43 mi (1,416.92 km) |
| Piqua to Arlington (Virginia) | 390.63 mi (628.66 km) |
| Piqua to Arlington (Washington) | 1,936.67 mi (3,116.78 km) |
| Piqua to Arlington Heights (Illinois) | 236.44 mi (380.51 km) |
| Piqua to Arnold (Maryland) | 419.32 mi (674.82 km) |
| Piqua to Arnold (Missouri) | 348.56 mi (560.96 km) |
