| Richland to Mendota (California) | 660.61 mi (1,063.15 km) |
| Richland to Mendota Heights (Minnesota) | 1,262.67 mi (2,032.08 km) |
| Richland to Menifee (California) | 877.03 mi (1,411.45 km) |
| Richland to Menlo Park (California) | 626.55 mi (1,008.33 km) |
| Richland to Menomonee Falls (Wisconsin) | 1,535.57 mi (2,471.26 km) |
| Richland to Menomonie (Wisconsin) | 1,321.09 mi (2,126.08 km) |
| Richland to Mentor (Ohio) | 1,894.86 mi (3,049.48 km) |
| Richland to Mequon (Wisconsin) | 1,540.26 mi (2,478.80 km) |
| Richland to Merced (California) | 623.20 mi (1,002.94 km) |
| Richland to Mercedes (Texas) | 1,819.49 mi (2,928.19 km) |
| Richland to Mercer Island (Washington) | 164.57 mi (264.85 km) |
| Richland to Mercerville (New Jersey) | 2,252.15 mi (3,624.48 km) |
| Richland to Meriden (Connecticut) | 2,304.04 mi (3,707.99 km) |
| Richland to Meridian (Idaho) | 232.58 mi (374.31 km) |
| Richland to Meridian (Mississippi) | 1,879.22 mi (3,024.31 km) |
