| Piqua to National City (California) | 1,886.74 mi (3,036.42 km) |
| Piqua to Naugatuck (Connecticut) | 592.04 mi (952.80 km) |
| Piqua to Navarre (Florida) | 688.77 mi (1,108.46 km) |
| Piqua to Nederland (Texas) | 892.76 mi (1,436.75 km) |
| Piqua to Neenah (Wisconsin) | 352.03 mi (566.54 km) |
| Piqua to Neosho (Missouri) | 593.15 mi (954.58 km) |
| Piqua to Nesconset (New York) | 584.36 mi (940.43 km) |
| Piqua to New Albany (Indiana) | 152.75 mi (245.83 km) |
| Piqua to New Albany (Ohio) | 77.26 mi (124.33 km) |
| Piqua to New Baltimore (Michigan) | 192.00 mi (309.00 km) |
| Piqua to New Baltimore (Virginia) | 361.44 mi (581.68 km) |
| Piqua to New Bedford (Massachusetts) | 701.70 mi (1,129.28 km) |
| Piqua to New Berlin (Wisconsin) | 279.86 mi (450.40 km) |
| Piqua to New Bern (North Carolina) | 525.05 mi (844.98 km) |
| Piqua to New Braunfels (Texas) | 1,064.73 mi (1,713.52 km) |
