| McKeesport to Montalegre | 3,637.68 mi (5,854.28 km) |
| McKeesport to Montemor-o-Novo | 3,710.72 mi (5,971.82 km) |
| McKeesport to Montemor-o-Velho | 3,643.01 mi (5,862.86 km) |
| McKeesport to Montijo | 3,676.59 mi (5,916.89 km) |
| McKeesport to Mortagua | 3,656.73 mi (5,884.94 km) |
| McKeesport to Moura | 3,763.80 mi (6,057.25 km) |
| McKeesport to Murtosa | 3,628.98 mi (5,840.29 km) |
| McKeesport to Nazare | 3,641.20 mi (5,859.95 km) |
| McKeesport to Nelas | 3,672.55 mi (5,910.40 km) |
| McKeesport to Obidos | 3,643.95 mi (5,864.37 km) |
| McKeesport to Odemira | 3,723.27 mi (5,992.02 km) |
| McKeesport to Odivelas | 3,659.80 mi (5,889.87 km) |
| McKeesport to Oeiras | 3,656.35 mi (5,884.33 km) |
| McKeesport to Olhao | 3,779.56 mi (6,082.61 km) |
| McKeesport to Oliveira de Azemeis | 3,633.45 mi (5,847.47 km) |
