| Bideford to Melzo | 731.88 mi (1,177.84 km) |
| Bideford to Mendicino | 1,276.34 mi (2,054.07 km) |
| Bideford to Menfi | 1,250.64 mi (2,012.71 km) |
| Bideford to Mentana | 1,010.44 mi (1,626.14 km) |
| Bideford to Merano | 758.77 mi (1,221.13 km) |
| Bideford to Merate | 724.44 mi (1,165.87 km) |
| Bideford to Mercato San Severino | 1,148.54 mi (1,848.39 km) |
| Bideford to Mercogliano | 1,140.91 mi (1,836.11 km) |
| Bideford to Mesagne | 1,274.91 mi (2,051.77 km) |
| Bideford to Messina | 1,307.64 mi (2,104.44 km) |
| Bideford to Mestre | 844.96 mi (1,359.83 km) |
| Bideford to Mestrino | 827.36 mi (1,331.50 km) |
| Bideford to Milan | 724.41 mi (1,165.83 km) |
| Bideford to Milazzo | 1,295.16 mi (2,084.35 km) |
| Bideford to Minerbio | 848.74 mi (1,365.92 km) |
