| Ottumwa to Melzo | 4,761.98 mi (7,663.66 km) |
| Ottumwa to Mendicino | 5,304.06 mi (8,536.06 km) |
| Ottumwa to Menfi | 5,251.09 mi (8,450.81 km) |
| Ottumwa to Mentana | 5,038.83 mi (8,109.21 km) |
| Ottumwa to Merano | 4,778.06 mi (7,689.54 km) |
| Ottumwa to Merate | 4,754.17 mi (7,651.10 km) |
| Ottumwa to Mercato San Severino | 5,177.52 mi (8,332.41 km) |
| Ottumwa to Mercogliano | 5,170.16 mi (8,320.57 km) |
| Ottumwa to Mesagne | 5,304.77 mi (8,537.20 km) |
| Ottumwa to Messina | 5,328.75 mi (8,575.79 km) |
| Ottumwa to Mestre | 4,869.37 mi (7,836.50 km) |
| Ottumwa to Mestrino | 4,853.42 mi (7,810.83 km) |
| Ottumwa to Milan | 4,754.67 mi (7,651.91 km) |
| Ottumwa to Milazzo | 5,314.96 mi (8,553.60 km) |
| Ottumwa to Minerbio | 4,878.45 mi (7,851.11 km) |
