| Middlesex to Romeoville (Illinois) | 711.00 mi (1,144.25 km) |
| Middlesex to Romulus (Michigan) | 473.13 mi (761.43 km) |
| Middlesex to Ronkonkoma (New York) | 73.83 mi (118.83 km) |
| Middlesex to Roosevelt (New York) | 48.65 mi (78.30 km) |
| Middlesex to Rosamond (California) | 2,396.58 mi (3,856.93 km) |
| Middlesex to Rosaryville (Maryland) | 175.73 mi (282.82 km) |
| Middlesex to Roscoe (Illinois) | 760.56 mi (1,224.00 km) |
| Middlesex to Rose Hill (Virginia) | 185.65 mi (298.77 km) |
| Middlesex to Roseburg (Oregon) | 2,483.09 mi (3,996.15 km) |
| Middlesex to Rosedale (California) | 2,434.52 mi (3,917.98 km) |
| Middlesex to Rosedale (Maryland) | 136.88 mi (220.28 km) |
| Middlesex to Roselle (Illinois) | 711.29 mi (1,144.71 km) |
| Middlesex to Roselle (New Jersey) | 13.76 mi (22.14 km) |
| Middlesex to Roselle Park (New Jersey) | 13.81 mi (22.22 km) |
| Middlesex to Rosemead (California) | 2,411.34 mi (3,880.68 km) |
