| Portogruaro to Marysville (California) | 5,925.09 mi (9,535.51 km) |
| Portogruaro to Marysville (Ohio) | 4,565.80 mi (7,347.94 km) |
| Portogruaro to Marysville (Washington) | 5,405.46 mi (8,699.24 km) |
| Portogruaro to Maryville (Missouri) | 5,002.50 mi (8,050.75 km) |
| Portogruaro to Maryville (Tennessee) | 4,796.23 mi (7,718.79 km) |
| Portogruaro to Mason (Ohio) | 4,643.05 mi (7,472.26 km) |
| Portogruaro to Mason City (Iowa) | 4,804.43 mi (7,731.98 km) |
| Portogruaro to Massapequa (New York) | 4,140.31 mi (6,663.19 km) |
| Portogruaro to Massapequa Park (New York) | 4,138.85 mi (6,660.84 km) |
| Portogruaro to Massillon (Ohio) | 4,467.41 mi (7,189.60 km) |
| Portogruaro to Mastic (New York) | 4,108.24 mi (6,611.57 km) |
| Portogruaro to Mastic Beach (New York) | 4,109.53 mi (6,613.65 km) |
| Portogruaro to Matteson (Illinois) | 4,679.11 mi (7,530.29 km) |
| Portogruaro to Matthews (North Carolina) | 4,687.88 mi (7,544.42 km) |
| Portogruaro to Mattoon (Illinois) | 4,798.00 mi (7,721.63 km) |
