| McKeesport to Melzo | 4,287.63 mi (6,900.28 km) |
| McKeesport to Mendicino | 4,812.95 mi (7,745.70 km) |
| McKeesport to Menfi | 4,737.51 mi (7,624.28 km) |
| McKeesport to Mentana | 4,551.83 mi (7,325.46 km) |
| McKeesport to Merano | 4,318.43 mi (6,949.84 km) |
| McKeesport to Merate | 4,281.35 mi (6,890.16 km) |
| McKeesport to Mercato San Severino | 4,690.45 mi (7,548.55 km) |
| McKeesport to Mercogliano | 4,683.90 mi (7,538.02 km) |
| McKeesport to Mesagne | 4,828.30 mi (7,770.40 km) |
| McKeesport to Messina | 4,828.56 mi (7,770.81 km) |
| McKeesport to Mestre | 4,404.94 mi (7,089.07 km) |
| McKeesport to Mestrino | 4,387.00 mi (7,060.19 km) |
| McKeesport to Milan | 4,279.31 mi (6,886.88 km) |
| McKeesport to Milazzo | 4,813.68 mi (7,746.86 km) |
| McKeesport to Minerbio | 4,405.00 mi (7,089.17 km) |
