| Darby to Richmond (California) | 2,504.37 mi (4,030.39 km) |
| Darby to Richmond (Indiana) | 510.39 mi (821.39 km) |
| Darby to Richmond (Kentucky) | 508.88 mi (818.97 km) |
| Darby to Richmond (Texas) | 1,360.25 mi (2,189.10 km) |
| Darby to Richmond (Virginia) | 203.83 mi (328.03 km) |
| Darby to Richmond Heights (Florida) | 1,030.27 mi (1,658.06 km) |
| Darby to Richmond Heights (Ohio) | 345.71 mi (556.37 km) |
| Darby to Richmond Hill (Georgia) | 649.00 mi (1,044.47 km) |
| Darby to Richmond West (Florida) | 1,032.84 mi (1,662.19 km) |
| Darby to Richton Park (Illinois) | 661.82 mi (1,065.10 km) |
| Darby to Ridge (New York) | 142.50 mi (229.32 km) |
| Darby to Ridgecrest (California) | 2,312.69 mi (3,721.92 km) |
| Darby to Ridgefield (New Jersey) | 90.88 mi (146.25 km) |
| Darby to Ridgefield (Washington) | 2,400.72 mi (3,863.59 km) |
| Darby to Ridgefield Park (New Jersey) | 91.77 mi (147.70 km) |
