| San Mateo to Massarosa | 6,079.23 mi (9,783.58 km) |
| San Mateo to Matelica | 6,190.30 mi (9,962.32 km) |
| San Mateo to Matera | 6,440.45 mi (10,364.90 km) |
| San Mateo to Matino | 6,519.49 mi (10,492.11 km) |
| San Mateo to Mazzarino | 6,568.05 mi (10,570.25 km) |
| San Mateo to Meda | 5,945.04 mi (9,567.62 km) |
| San Mateo to Medesano | 6,023.94 mi (9,694.59 km) |
| San Mateo to Medicina | 6,081.64 mi (9,787.46 km) |
| San Mateo to Meldola | 6,113.25 mi (9,838.33 km) |
| San Mateo to Melegnano | 5,966.67 mi (9,602.42 km) |
| San Mateo to Melendugno | 6,510.91 mi (10,478.30 km) |
| San Mateo to Melfi | 6,394.72 mi (10,291.31 km) |
| San Mateo to Melilli | 6,602.21 mi (10,625.24 km) |
| San Mateo to Melito di Napoli | 6,359.76 mi (10,235.05 km) |
| San Mateo to Melito di Porto Salvo | 6,578.96 mi (10,587.81 km) |
