| Sidmouth to Mexborough | 211.73 mi (340.74 km) |
| Sidmouth to Mickleover | 169.54 mi (272.84 km) |
| Sidmouth to Middlesbrough | 282.01 mi (453.85 km) |
| Sidmouth to Middleton | 203.59 mi (327.65 km) |
| Sidmouth to Middlewich | 176.84 mi (284.60 km) |
| Sidmouth to Midsomer Norton | 53.18 mi (85.58 km) |
| Sidmouth to Mildenhall | 197.95 mi (318.57 km) |
| Sidmouth to Milford Haven | 105.85 mi (170.34 km) |
| Sidmouth to Mill Hill | 145.68 mi (234.44 km) |
| Sidmouth to Milngavie | 366.26 mi (589.44 km) |
| Sidmouth to Milnrow | 208.01 mi (334.77 km) |
| Sidmouth to Milton | 170.30 mi (274.08 km) |
| Sidmouth to Milton Keynes | 142.35 mi (229.10 km) |
| Sidmouth to Minehead | 37.61 mi (60.52 km) |
| Sidmouth to Minster | 183.10 mi (294.67 km) |
