| Groningen to McKeesport (Pennsylvania) | 3,927.00 mi (6,319.89 km) |
| Groningen to McKinleyville (California) | 5,298.58 mi (8,527.24 km) |
| Groningen to McKinney (Texas) | 4,912.75 mi (7,906.30 km) |
| Groningen to McLean (Virginia) | 3,893.85 mi (6,266.54 km) |
| Groningen to McMinnville (Oregon) | 5,017.94 mi (8,075.60 km) |
| Groningen to McMinnville (Tennessee) | 4,382.62 mi (7,053.15 km) |
| Groningen to McNair (Virginia) | 3,901.82 mi (6,279.37 km) |
| Groningen to McPherson (Kansas) | 4,667.62 mi (7,511.81 km) |
| Groningen to Mead Valley (California) | 5,546.72 mi (8,926.58 km) |
| Groningen to Meadow Woods (Florida) | 4,590.42 mi (7,387.56 km) |
| Groningen to Meadowbrook (Virginia) | 3,978.25 mi (6,402.37 km) |
| Groningen to Meadville (Pennsylvania) | 3,875.44 mi (6,236.91 km) |
| Groningen to Mebane (North Carolina) | 4,114.33 mi (6,621.37 km) |
| Groningen to Mechanicsville (Virginia) | 3,964.09 mi (6,379.59 km) |
| Groningen to Medford (Massachusetts) | 3,496.57 mi (5,627.19 km) |
