| Clayton to Massarosa | 877.63 mi (1,412.41 km) |
| Clayton to Matelica | 990.64 mi (1,594.27 km) |
| Clayton to Matera | 1,244.79 mi (2,003.30 km) |
| Clayton to Matino | 1,328.62 mi (2,138.21 km) |
| Clayton to Mazzarino | 1,370.50 mi (2,205.60 km) |
| Clayton to Meda | 743.25 mi (1,196.15 km) |
| Clayton to Medesano | 822.15 mi (1,323.13 km) |
| Clayton to Medicina | 881.64 mi (1,418.87 km) |
| Clayton to Meldola | 913.39 mi (1,469.96 km) |
| Clayton to Melegnano | 764.85 mi (1,230.90 km) |
| Clayton to Melendugno | 1,322.43 mi (2,128.25 km) |
| Clayton to Melfi | 1,196.58 mi (1,925.72 km) |
| Clayton to Melilli | 1,402.16 mi (2,256.55 km) |
| Clayton to Melito di Napoli | 1,158.30 mi (1,864.11 km) |
| Clayton to Melito di Porto Salvo | 1,377.19 mi (2,216.38 km) |
