| Romeoville to Marasesti | 5,200.48 mi (8,369.36 km) |
| Romeoville to Marghita | 4,962.97 mi (7,987.13 km) |
| Romeoville to Marginea | 5,059.12 mi (8,141.87 km) |
| Romeoville to Matca | 5,212.14 mi (8,388.13 km) |
| Romeoville to Medgidia | 5,316.53 mi (8,556.14 km) |
| Romeoville to Media | 5,089.31 mi (8,190.46 km) |
| Romeoville to Miercurea-Ciuc | 5,128.79 mi (8,253.99 km) |
| Romeoville to Mioveni | 5,167.30 mi (8,315.97 km) |
| Romeoville to Mizil | 5,217.07 mi (8,396.06 km) |
| Romeoville to Moinesti | 5,148.16 mi (8,285.17 km) |
| Romeoville to Moisei | 5,023.63 mi (8,084.75 km) |
| Romeoville to Moldova Noua | 5,062.51 mi (8,147.32 km) |
| Romeoville to Moreni | 5,190.60 mi (8,353.47 km) |
| Romeoville to Motru | 5,105.28 mi (8,216.16 km) |
| Romeoville to Murfatlar | 5,325.38 mi (8,570.38 km) |
