| Middlesex to River Ridge (Louisiana) | 1,147.59 mi (1,846.87 km) |
| Middlesex to Riverbank (California) | 2,467.36 mi (3,970.83 km) |
| Middlesex to Riverdale (Georgia) | 729.23 mi (1,173.59 km) |
| Middlesex to Riverdale (Illinois) | 687.12 mi (1,105.82 km) |
| Middlesex to Riverside (California) | 2,378.98 mi (3,828.59 km) |
| Middlesex to Riverside (Ohio) | 510.55 mi (821.65 km) |
| Middlesex to Riverton (Utah) | 1,951.75 mi (3,141.04 km) |
| Middlesex to Riverton (Wyoming) | 1,742.93 mi (2,804.97 km) |
| Middlesex to Riverview (Florida) | 986.38 mi (1,587.43 km) |
| Middlesex to Riverview (Michigan) | 463.84 mi (746.48 km) |
| Middlesex to Riviera Beach (Florida) | 1,004.85 mi (1,617.15 km) |
| Middlesex to Riviera Beach (Maryland) | 145.07 mi (233.46 km) |
| Middlesex to Roanoke (Virginia) | 371.21 mi (597.41 km) |
| Middlesex to Roanoke Rapids (North Carolina) | 332.15 mi (534.54 km) |
| Middlesex to Robbinsdale (Minnesota) | 1,000.31 mi (1,609.85 km) |
