| Middlesex to Roy (Utah) | 1,946.73 mi (3,132.96 km) |
| Middlesex to Royal Kunia (Hawaii) | 4,941.18 mi (7,952.07 km) |
| Middlesex to Royal Oak (Michigan) | 466.76 mi (751.17 km) |
| Middlesex to Royal Palm Beach (Florida) | 1,012.71 mi (1,629.80 km) |
| Middlesex to Royse City (Texas) | 1,311.98 mi (2,111.43 km) |
| Middlesex to Ruskin (Florida) | 996.71 mi (1,604.05 km) |
| Middlesex to Russellville (Alabama) | 835.91 mi (1,345.26 km) |
| Middlesex to Russellville (Arkansas) | 1,077.15 mi (1,733.50 km) |
| Middlesex to Ruston (Louisiana) | 1,146.49 mi (1,845.09 km) |
| Middlesex to Rutherford (New Jersey) | 26.79 mi (43.11 km) |
| Middlesex to Rutland (Vermont) | 223.74 mi (360.07 km) |
| Middlesex to Sabana Grande (Puerto Rico) | 1,617.32 mi (2,602.83 km) |
| Middlesex to Sachse (Texas) | 1,325.28 mi (2,132.83 km) |
| Middlesex to Saco (Maine) | 291.28 mi (468.77 km) |
| Middlesex to Sacramento (California) | 2,475.47 mi (3,983.88 km) |
