| Derry to Rockville (Maryland) | 3,311.57 mi (5,329.46 km) |
| Derry to Rockville Centre (New York) | 3,100.46 mi (4,989.71 km) |
| Derry to Rockwall (Texas) | 4,358.61 mi (7,014.50 km) |
| Derry to Rocky Mount (North Carolina) | 3,487.81 mi (5,613.09 km) |
| Derry to Rocky Point (New York) | 3,060.58 mi (4,925.53 km) |
| Derry to Rocky River (Ohio) | 3,379.52 mi (5,438.81 km) |
| Derry to Roessleville (New York) | 3,014.26 mi (4,850.98 km) |
| Derry to Rogers (Arkansas) | 4,096.01 mi (6,591.90 km) |
| Derry to Rogers (Minnesota) | 3,633.24 mi (5,847.13 km) |
| Derry to Rohnert Park (California) | 4,947.66 mi (7,962.48 km) |
| Derry to Rolla (Missouri) | 3,924.05 mi (6,315.15 km) |
| Derry to Rolling Meadows (Illinois) | 3,582.12 mi (5,764.87 km) |
| Derry to Roma (Texas) | 4,805.07 mi (7,733.02 km) |
| Derry to Rome (Georgia) | 3,860.59 mi (6,213.02 km) |
| Derry to Rome (New York) | 3,055.98 mi (4,918.13 km) |
