| Piqua to Myrtle Grove (Florida) | 694.25 mi (1,117.29 km) |
| Piqua to Myrtle Grove (North Carolina) | 543.91 mi (875.34 km) |
| Piqua to Nacogdoches (Texas) | 827.97 mi (1,332.48 km) |
| Piqua to Nampa (Idaho) | 1,669.07 mi (2,686.10 km) |
| Piqua to Nanakuli (Hawaii) | 4,447.70 mi (7,157.88 km) |
| Piqua to Nanticoke (Pennsylvania) | 437.86 mi (704.66 km) |
| Piqua to Nanuet (New York) | 540.05 mi (869.13 km) |
| Piqua to Napa (California) | 2,025.44 mi (3,259.63 km) |
| Piqua to Naperville (Illinois) | 232.49 mi (374.16 km) |
| Piqua to Naples (Florida) | 977.53 mi (1,573.19 km) |
| Piqua to Naranja (Florida) | 1,034.89 mi (1,665.49 km) |
| Piqua to Nashua (New Hampshire) | 683.66 mi (1,100.25 km) |
| Piqua to Nashville (Tennessee) | 307.58 mi (495.00 km) |
| Piqua to Natchez (Mississippi) | 716.11 mi (1,152.48 km) |
| Piqua to Natchitoches (Louisiana) | 763.12 mi (1,228.12 km) |
