| River Forest to Mexborough | 3,848.46 mi (6,193.50 km) |
| River Forest to Mickleover | 3,856.58 mi (6,206.57 km) |
| River Forest to Middlesbrough | 3,818.03 mi (6,144.52 km) |
| River Forest to Middleton | 3,813.31 mi (6,136.93 km) |
| River Forest to Middlewich | 3,814.51 mi (6,138.87 km) |
| River Forest to Midsomer Norton | 3,870.75 mi (6,229.37 km) |
| River Forest to Mildenhall | 3,951.06 mi (6,358.61 km) |
| River Forest to Milford Haven | 3,758.59 mi (6,048.87 km) |
| River Forest to Mill Hill | 3,946.48 mi (6,351.25 km) |
| River Forest to Milngavie | 3,669.07 mi (5,904.80 km) |
| River Forest to Milnrow | 3,814.50 mi (6,138.84 km) |
| River Forest to Milton | 3,830.00 mi (6,163.80 km) |
| River Forest to Milton Keynes | 3,913.04 mi (6,297.42 km) |
| River Forest to Minehead | 3,834.73 mi (6,171.39 km) |
| River Forest to Minster | 3,992.37 mi (6,425.10 km) |
