| Dorchester to Ridgeland (Mississippi) | 4,430.88 mi (7,130.81 km) |
| Dorchester to Ridgewood (New Jersey) | 3,375.96 mi (5,433.08 km) |
| Dorchester to Rifle (Colorado) | 4,745.41 mi (7,637.00 km) |
| Dorchester to Rincon (Georgia) | 4,065.10 mi (6,542.14 km) |
| Dorchester to Ringwood (New Jersey) | 3,377.53 mi (5,435.61 km) |
| Dorchester to Río Grande (Puerto Rico) | 4,085.57 mi (6,575.09 km) |
| Dorchester to Rio Grande City (Texas) | 5,091.46 mi (8,193.91 km) |
| Dorchester to Rio Linda (California) | 5,241.93 mi (8,436.08 km) |
| Dorchester to Rio Rancho (New Mexico) | 4,929.72 mi (7,933.62 km) |
| Dorchester to Rio Rico (Arizona) | 5,289.09 mi (8,511.97 km) |
| Dorchester to Ripon (California) | 5,285.94 mi (8,506.91 km) |
| Dorchester to River Edge (New Jersey) | 3,375.18 mi (5,431.82 km) |
| Dorchester to River Falls (Wisconsin) | 3,938.95 mi (6,339.13 km) |
| Dorchester to River Forest (Illinois) | 3,890.16 mi (6,260.62 km) |
| Dorchester to River Grove (Illinois) | 3,889.57 mi (6,259.65 km) |
