| Chelmsford to Rockville (Maryland) | 3,681.23 mi (5,924.37 km) |
| Chelmsford to Rockville Centre (New York) | 3,468.23 mi (5,581.58 km) |
| Chelmsford to Rockwall (Texas) | 4,743.44 mi (7,633.83 km) |
| Chelmsford to Rocky Mount (North Carolina) | 3,851.44 mi (6,198.30 km) |
| Chelmsford to Rocky Point (New York) | 3,427.90 mi (5,516.67 km) |
| Chelmsford to Rocky River (Ohio) | 3,760.06 mi (6,051.23 km) |
| Chelmsford to Roessleville (New York) | 3,387.18 mi (5,451.15 km) |
| Chelmsford to Rogers (Arkansas) | 4,482.11 mi (7,213.26 km) |
| Chelmsford to Rogers (Minnesota) | 4,025.40 mi (6,478.26 km) |
| Chelmsford to Rohnert Park (California) | 5,335.03 mi (8,585.90 km) |
| Chelmsford to Rolla (Missouri) | 4,309.73 mi (6,935.83 km) |
| Chelmsford to Rolling Meadows (Illinois) | 3,969.16 mi (6,387.75 km) |
| Chelmsford to Roma (Texas) | 5,185.89 mi (8,345.89 km) |
| Chelmsford to Rome (Georgia) | 4,233.17 mi (6,812.63 km) |
| Chelmsford to Rome (New York) | 3,432.32 mi (5,523.78 km) |
