| Sintra to Massarosa | 1,078.28 mi (1,735.32 km) |
| Sintra to Matelica | 1,203.34 mi (1,936.58 km) |
| Sintra to Matera | 1,381.85 mi (2,223.87 km) |
| Sintra to Matino | 1,465.69 mi (2,358.79 km) |
| Sintra to Mazzarino | 1,284.03 mi (2,066.45 km) |
| Sintra to Meda | 1,057.77 mi (1,702.32 km) |
| Sintra to Medesano | 1,083.26 mi (1,743.33 km) |
| Sintra to Medicina | 1,150.35 mi (1,851.31 km) |
| Sintra to Meldola | 1,165.56 mi (1,875.79 km) |
| Sintra to Melegnano | 1,057.87 mi (1,702.48 km) |
| Sintra to Melendugno | 1,474.70 mi (2,373.31 km) |
| Sintra to Melfi | 1,331.26 mi (2,142.45 km) |
| Sintra to Melilli | 1,335.02 mi (2,148.51 km) |
| Sintra to Melito di Napoli | 1,257.49 mi (2,023.74 km) |
| Sintra to Melito di Porto Salvo | 1,360.84 mi (2,190.06 km) |
