| Derry to Ridgeland (Mississippi) | 4,146.49 mi (6,673.14 km) |
| Derry to Ridgewood (New Jersey) | 3,104.32 mi (4,995.91 km) |
| Derry to Rifle (Colorado) | 4,409.13 mi (7,095.81 km) |
| Derry to Rincon (Georgia) | 3,807.05 mi (6,126.86 km) |
| Derry to Ringwood (New Jersey) | 3,104.91 mi (4,996.87 km) |
| Derry to Río Grande (Puerto Rico) | 3,947.27 mi (6,352.52 km) |
| Derry to Rio Grande City (Texas) | 4,800.04 mi (7,724.91 km) |
| Derry to Rio Linda (California) | 4,890.73 mi (7,870.86 km) |
| Derry to Rio Rancho (New Mexico) | 4,602.15 mi (7,406.44 km) |
| Derry to Rio Rico (Arizona) | 4,960.23 mi (7,982.72 km) |
| Derry to Ripon (California) | 4,935.78 mi (7,943.36 km) |
| Derry to River Edge (New Jersey) | 3,103.97 mi (4,995.36 km) |
| Derry to River Falls (Wisconsin) | 3,615.21 mi (5,818.11 km) |
| Derry to River Forest (Illinois) | 3,583.14 mi (5,766.50 km) |
| Derry to River Grove (Illinois) | 3,582.41 mi (5,765.34 km) |
