| Castro Valley to Mechernich | 5,587.93 mi (8,992.90 km) |
| Castro Valley to Meckenbeuren | 5,826.96 mi (9,377.58 km) |
| Castro Valley to Meckenheim | 5,596.15 mi (9,006.14 km) |
| Castro Valley to Meerane | 5,725.83 mi (9,214.84 km) |
| Castro Valley to Meerbusch | 5,552.45 mi (8,935.80 km) |
| Castro Valley to Meine | 5,591.62 mi (8,998.85 km) |
| Castro Valley to Meinerzhagen | 5,586.57 mi (8,990.72 km) |
| Castro Valley to Meiningen | 5,691.01 mi (9,158.80 km) |
| Castro Valley to Meissen | 5,732.83 mi (9,226.11 km) |
| Castro Valley to Meitingen | 5,814.90 mi (9,358.18 km) |
| Castro Valley to Melle | 5,545.82 mi (8,925.13 km) |
| Castro Valley to Melsungen | 5,636.14 mi (9,070.49 km) |
| Castro Valley to Memmelsdorf | 5,739.47 mi (9,236.78 km) |
| Castro Valley to Memmingen | 5,827.89 mi (9,379.08 km) |
| Castro Valley to Mendig | 5,617.38 mi (9,040.30 km) |
