| Glenn Dale to Marly-le-Roi | 3,806.38 mi (6,125.78 km) |
| Glenn Dale to Marmande | 3,836.88 mi (6,174.87 km) |
| Glenn Dale to Maromme | 3,746.77 mi (6,029.84 km) |
| Glenn Dale to Marquette-les-Lille | 3,801.52 mi (6,117.96 km) |
| Glenn Dale to Marseille | 4,106.86 mi (6,609.35 km) |
| Glenn Dale to Martigues | 4,089.00 mi (6,580.61 km) |
| Glenn Dale to Massy | 3,817.34 mi (6,143.42 km) |
| Glenn Dale to Maubeuge | 3,848.70 mi (6,193.88 km) |
| Glenn Dale to Mauguio | 4,035.77 mi (6,494.95 km) |
| Glenn Dale to Mauleon | 3,732.63 mi (6,007.08 km) |
| Glenn Dale to Maurepas | 3,802.73 mi (6,119.91 km) |
| Glenn Dale to Maxeville | 3,981.31 mi (6,407.29 km) |
| Glenn Dale to Mayenne | 3,704.72 mi (5,962.17 km) |
| Glenn Dale to Mazamet | 3,965.52 mi (6,381.89 km) |
| Glenn Dale to Meaux | 3,837.49 mi (6,175.84 km) |
