| Groningen to Miedzyrzec Podlaski | 684.35 mi (1,101.35 km) |
| Groningen to Miedzyrzecz | 380.05 mi (611.63 km) |
| Groningen to Mielec | 666.00 mi (1,071.83 km) |
| Groningen to Mikolow | 567.80 mi (913.79 km) |
| Groningen to Milanowek | 595.12 mi (957.76 km) |
| Groningen to Milicz | 466.26 mi (750.38 km) |
| Groningen to Minsk Mazowiecki | 630.91 mi (1,015.35 km) |
| Groningen to Mlawa | 570.76 mi (918.55 km) |
| Groningen to Mogilno | 475.17 mi (764.71 km) |
| Groningen to Monki | 669.53 mi (1,077.51 km) |
| Groningen to Morag | 549.78 mi (884.79 km) |
| Groningen to Mosina | 434.84 mi (699.80 km) |
| Groningen to Mragowo | 605.48 mi (974.43 km) |
| Groningen to Murowana Goslina | 437.53 mi (704.13 km) |
| Groningen to Myslenice | 619.33 mi (996.71 km) |
