| Chelmsford to Romeoville (Illinois) | 3,992.78 mi (6,425.76 km) |
| Chelmsford to Romulus (Michigan) | 3,784.64 mi (6,090.79 km) |
| Chelmsford to Ronkonkoma (New York) | 3,441.28 mi (5,538.20 km) |
| Chelmsford to Roosevelt (New York) | 3,465.34 mi (5,576.93 km) |
| Chelmsford to Rosamond (California) | 5,401.87 mi (8,693.47 km) |
| Chelmsford to Rosaryville (Maryland) | 3,682.25 mi (5,926.01 km) |
| Chelmsford to Roscoe (Illinois) | 3,989.57 mi (6,420.59 km) |
| Chelmsford to Rose Hill (Virginia) | 3,692.78 mi (5,942.96 km) |
| Chelmsford to Roseburg (Oregon) | 5,068.56 mi (8,157.06 km) |
| Chelmsford to Rosedale (California) | 5,402.67 mi (8,694.76 km) |
| Chelmsford to Rosedale (Maryland) | 3,644.04 mi (5,864.52 km) |
| Chelmsford to Roselle (Illinois) | 3,975.86 mi (6,398.53 km) |
| Chelmsford to Roselle (New Jersey) | 3,493.98 mi (5,623.01 km) |
| Chelmsford to Roselle Park (New Jersey) | 3,493.70 mi (5,622.56 km) |
| Chelmsford to Rosemead (California) | 5,443.47 mi (8,760.42 km) |
