| Arecibo to Melzo | 4,654.65 mi (7,490.94 km) |
| Arecibo to Mendicino | 5,050.98 mi (8,128.76 km) |
| Arecibo to Menfi | 4,897.97 mi (7,882.52 km) |
| Arecibo to Mentana | 4,838.29 mi (7,786.48 km) |
| Arecibo to Merano | 4,732.19 mi (7,615.72 km) |
| Arecibo to Merate | 4,654.56 mi (7,490.80 km) |
| Arecibo to Mercato San Severino | 4,958.91 mi (7,980.59 km) |
| Arecibo to Mercogliano | 4,956.17 mi (7,976.19 km) |
| Arecibo to Mesagne | 5,118.05 mi (8,236.70 km) |
| Arecibo to Messina | 5,030.20 mi (8,095.33 km) |
| Arecibo to Mestre | 4,790.89 mi (7,710.19 km) |
| Arecibo to Mestrino | 4,768.42 mi (7,674.03 km) |
| Arecibo to Milan | 4,643.84 mi (7,473.53 km) |
| Arecibo to Milazzo | 5,012.96 mi (8,067.59 km) |
| Arecibo to Minerbio | 4,759.52 mi (7,659.70 km) |
