| Castro Valley to Mengen | 5,801.13 mi (9,336.01 km) |
| Castro Valley to Meppen | 5,492.04 mi (8,838.59 km) |
| Castro Valley to Merchweiler | 5,666.30 mi (9,119.03 km) |
| Castro Valley to Mering | 5,834.15 mi (9,389.16 km) |
| Castro Valley to Merseburg | 5,685.67 mi (9,150.20 km) |
| Castro Valley to Merzenich | 5,572.36 mi (8,967.85 km) |
| Castro Valley to Merzig | 5,649.06 mi (9,091.28 km) |
| Castro Valley to Meschede | 5,591.10 mi (8,998.00 km) |
| Castro Valley to Messkirch | 5,798.27 mi (9,331.42 km) |
| Castro Valley to Messstetten | 5,783.74 mi (9,308.02 km) |
| Castro Valley to Mettingen | 5,525.19 mi (8,891.94 km) |
| Castro Valley to Mettlach | 5,646.26 mi (9,086.77 km) |
| Castro Valley to Mettmann | 5,561.45 mi (8,950.29 km) |
| Castro Valley to Metzingen | 5,772.93 mi (9,290.63 km) |
| Castro Valley to Meuselwitz | 5,710.52 mi (9,190.20 km) |
