| McKeesport to Marsala | 4,706.03 mi (7,573.63 km) |
| McKeesport to Marsciano | 4,504.27 mi (7,248.92 km) |
| McKeesport to Martano | 4,864.53 mi (7,828.71 km) |
| McKeesport to Martellago | 4,399.59 mi (7,080.45 km) |
| McKeesport to Martina Franca | 4,803.13 mi (7,729.89 km) |
| McKeesport to Martinengo | 4,299.80 mi (6,919.86 km) |
| McKeesport to Martinsicuro | 4,572.47 mi (7,358.69 km) |
| McKeesport to Mascali | 4,831.01 mi (7,774.76 km) |
| McKeesport to Mascalucia | 4,831.83 mi (7,776.08 km) |
| McKeesport to Masera di Padova | 4,395.97 mi (7,074.62 km) |
| McKeesport to Maserada sul Piave | 4,398.72 mi (7,079.05 km) |
| McKeesport to Massa | 4,369.83 mi (7,032.55 km) |
| McKeesport to Massa Lombarda | 4,425.55 mi (7,122.23 km) |
| McKeesport to Massafra | 4,798.71 mi (7,722.78 km) |
| McKeesport to Massalubrense | 4,679.11 mi (7,530.30 km) |
