| Piqua to Mirfield | 3,777.79 mi (6,079.76 km) |
| Piqua to Mitcham | 3,898.68 mi (6,274.31 km) |
| Piqua to Mold | 3,735.44 mi (6,011.60 km) |
| Piqua to Molesey | 3,890.36 mi (6,260.93 km) |
| Piqua to Monkseaton | 3,752.12 mi (6,038.46 km) |
| Piqua to Monmouth | 3,786.26 mi (6,093.39 km) |
| Piqua to Montrose | 3,675.96 mi (5,915.88 km) |
| Piqua to Morden | 3,896.96 mi (6,271.55 km) |
| Piqua to Morecambe | 3,723.13 mi (5,991.79 km) |
| Piqua to Moreton | 3,730.45 mi (6,003.57 km) |
| Piqua to Morley | 3,779.32 mi (6,082.23 km) |
| Piqua to Morpeth | 3,740.50 mi (6,019.75 km) |
| Piqua to Morriston | 3,741.65 mi (6,021.60 km) |
| Piqua to Mosbrough | 3,799.43 mi (6,114.59 km) |
| Piqua to Mossley | 3,768.69 mi (6,065.12 km) |
