| Piqua to Montevarchi | 4,641.23 mi (7,469.33 km) |
| Piqua to Monticello Conte Otto | 4,561.65 mi (7,341.26 km) |
| Piqua to Montichiari | 4,520.46 mi (7,274.98 km) |
| Piqua to Montignoso | 4,564.32 mi (7,345.56 km) |
| Piqua to Montopoli in Val d'Arno | 4,601.92 mi (7,406.08 km) |
| Piqua to Monza | 4,468.67 mi (7,191.62 km) |
| Piqua to Morbegno | 4,460.22 mi (7,178.03 km) |
| Piqua to Mori | 4,527.98 mi (7,287.08 km) |
| Piqua to Morlupo | 4,734.80 mi (7,619.93 km) |
| Piqua to Morrovalle | 4,732.41 mi (7,616.08 km) |
| Piqua to Mortara | 4,459.55 mi (7,176.95 km) |
| Piqua to Mosciano Sant'Angelo | 4,767.56 mi (7,672.65 km) |
| Piqua to Motta di Livenza | 4,595.78 mi (7,396.20 km) |
| Piqua to Motta Sant'Anastasia | 5,031.01 mi (8,096.62 km) |
| Piqua to Mottola | 4,985.33 mi (8,023.11 km) |
