| Sintra to Moncalieri | 974.36 mi (1,568.08 km) |
| Sintra to Mondolfo | 1,212.52 mi (1,951.36 km) |
| Sintra to Mondovi | 966.73 mi (1,555.80 km) |
| Sintra to Monesiglio | 982.58 mi (1,581.31 km) |
| Sintra to Monfalcone | 1,261.67 mi (2,030.47 km) |
| Sintra to Monopoli | 1,417.40 mi (2,281.08 km) |
| Sintra to Monreale | 1,225.09 mi (1,971.60 km) |
| Sintra to Monselice | 1,168.24 mi (1,880.11 km) |
| Sintra to Monserrato | 993.83 mi (1,599.41 km) |
| Sintra to Monsummano | 1,101.84 mi (1,773.25 km) |
| Sintra to Montagnana | 1,154.89 mi (1,858.62 km) |
| Sintra to Montale | 1,112.52 mi (1,790.43 km) |
| Sintra to Montalto di Castro | 1,125.35 mi (1,811.08 km) |
| Sintra to Montalto Uffugo | 1,365.42 mi (2,197.42 km) |
| Sintra to Monte Compatri | 1,180.81 mi (1,900.33 km) |
