| Piqua to Greenfield (California) | 2,010.60 mi (3,235.74 km) |
| Piqua to Greenfield (Indiana) | 84.67 mi (136.26 km) |
| Piqua to Greenfield (Wisconsin) | 274.80 mi (442.24 km) |
| Piqua to Greenlawn (New York) | 573.28 mi (922.61 km) |
| Piqua to Greensboro (North Carolina) | 368.86 mi (593.62 km) |
| Piqua to Greensburg (Indiana) | 86.70 mi (139.53 km) |
| Piqua to Greensburg (Pennsylvania) | 248.12 mi (399.31 km) |
| Piqua to Greentree (New Jersey) | 491.23 mi (790.56 km) |
| Piqua to Greenville (Mississippi) | 599.98 mi (965.57 km) |
| Piqua to Greenville (North Carolina) | 489.03 mi (787.02 km) |
| Piqua to Greenville (Ohio) | 20.16 mi (32.45 km) |
| Piqua to Greenville (South Carolina) | 381.40 mi (613.80 km) |
| Piqua to Greenville (Texas) | 816.94 mi (1,314.74 km) |
| Piqua to Greenwood (Indiana) | 105.82 mi (170.30 km) |
| Piqua to Greenwood (Mississippi) | 564.32 mi (908.18 km) |
