| Opmeer to Massarosa | 658.14 mi (1,059.18 km) |
| Opmeer to Matelica | 750.38 mi (1,207.63 km) |
| Opmeer to Matera | 995.35 mi (1,601.86 km) |
| Opmeer to Matino | 1,073.85 mi (1,728.20 km) |
| Opmeer to Mazzarino | 1,153.80 mi (1,856.85 km) |
| Opmeer to Meda | 521.71 mi (839.61 km) |
| Opmeer to Medesano | 597.56 mi (961.68 km) |
| Opmeer to Medicina | 644.01 mi (1,036.44 km) |
| Opmeer to Meldola | 674.78 mi (1,085.96 km) |
| Opmeer to Melegnano | 544.30 mi (875.97 km) |
| Opmeer to Melendugno | 1,065.60 mi (1,714.92 km) |
| Opmeer to Melfi | 951.22 mi (1,530.84 km) |
| Opmeer to Melilli | 1,179.09 mi (1,897.55 km) |
| Opmeer to Melito di Napoli | 923.22 mi (1,485.78 km) |
| Opmeer to Melito di Porto Salvo | 1,146.18 mi (1,844.60 km) |
