| Piqua to Waimea (Hawaii) | 4,371.42 mi (7,035.11 km) |
| Piqua to Waipahu (Hawaii) | 4,440.79 mi (7,146.76 km) |
| Piqua to Waipio (Hawaii) | 4,438.94 mi (7,143.79 km) |
| Piqua to Wake Forest (North Carolina) | 425.13 mi (684.18 km) |
| Piqua to Wakefield (Virginia) | 384.44 mi (618.70 km) |
| Piqua to Waldorf (Maryland) | 405.30 mi (652.27 km) |
| Piqua to Walker (Michigan) | 210.65 mi (339.01 km) |
| Piqua to Walker Mill (Maryland) | 401.88 mi (646.77 km) |
| Piqua to Walla Walla (Washington) | 1,753.19 mi (2,821.49 km) |
| Piqua to Wallingford Center (Connecticut) | 603.82 mi (971.75 km) |
| Piqua to Wallington (New Jersey) | 534.49 mi (860.18 km) |
| Piqua to Walnut (California) | 1,888.29 mi (3,038.91 km) |
| Piqua to Walnut Creek (California) | 2,019.36 mi (3,249.84 km) |
| Piqua to Walnut Park (California) | 1,909.18 mi (3,072.53 km) |
| Piqua to Waltham (Massachusetts) | 691.93 mi (1,113.56 km) |
