| Acton to Ridgeland (Mississippi) | 4,498.93 mi (7,240.32 km) |
| Acton to Ridgewood (New Jersey) | 3,447.93 mi (5,548.91 km) |
| Acton to Rifle (Colorado) | 4,786.23 mi (7,702.70 km) |
| Acton to Rincon (Georgia) | 4,141.84 mi (6,665.65 km) |
| Acton to Ringwood (New Jersey) | 3,449.18 mi (5,550.91 km) |
| Acton to Río Grande (Puerto Rico) | 4,186.27 mi (6,737.16 km) |
| Acton to Rio Grande City (Texas) | 5,157.01 mi (8,299.41 km) |
| Acton to Rio Linda (California) | 5,267.71 mi (8,477.56 km) |
| Acton to Rio Rancho (New Mexico) | 4,976.79 mi (8,009.37 km) |
| Acton to Rio Rico (Arizona) | 5,335.36 mi (8,586.44 km) |
| Acton to Ripon (California) | 5,313.11 mi (8,550.62 km) |
| Acton to River Edge (New Jersey) | 3,447.29 mi (5,547.88 km) |
| Acton to River Falls (Wisconsin) | 3,988.20 mi (6,418.40 km) |
| Acton to River Forest (Illinois) | 3,948.35 mi (6,354.26 km) |
| Acton to River Grove (Illinois) | 3,947.70 mi (6,353.20 km) |
