| Ferguson to Rockville (Maryland) | 706.14 mi (1,136.42 km) |
| Ferguson to Rockville Centre (New York) | 893.84 mi (1,438.49 km) |
| Ferguson to Rockwall (Texas) | 529.58 mi (852.28 km) |
| Ferguson to Rocky Mount (North Carolina) | 711.72 mi (1,145.41 km) |
| Ferguson to Rocky Point (New York) | 931.59 mi (1,499.25 km) |
| Ferguson to Rocky River (Ohio) | 483.86 mi (778.69 km) |
| Ferguson to Roessleville (New York) | 904.23 mi (1,455.21 km) |
| Ferguson to Rogers (Arkansas) | 269.99 mi (434.51 km) |
| Ferguson to Rogers (Minnesota) | 475.58 mi (765.38 km) |
| Ferguson to Rohnert Park (California) | 1,741.85 mi (2,803.24 km) |
| Ferguson to Rolla (Missouri) | 96.88 mi (155.92 km) |
| Ferguson to Rolling Meadows (Illinois) | 258.93 mi (416.71 km) |
| Ferguson to Roma (Texas) | 990.40 mi (1,593.90 km) |
| Ferguson to Rome (Georgia) | 419.88 mi (675.73 km) |
| Ferguson to Rome (New York) | 830.31 mi (1,336.26 km) |
