| Castelli Calepio to Rockville (Maryland) | 4,242.83 mi (6,828.18 km) |
| Castelli Calepio to Rockville Centre (New York) | 4,027.89 mi (6,482.26 km) |
| Castelli Calepio to Rockwall (Texas) | 5,326.63 mi (8,572.38 km) |
| Castelli Calepio to Rocky Mount (North Carolina) | 4,403.55 mi (7,086.82 km) |
| Castelli Calepio to Rocky Point (New York) | 3,987.07 mi (6,416.56 km) |
| Castelli Calepio to Rocky River (Ohio) | 4,337.75 mi (6,980.94 km) |
| Castelli Calepio to Roessleville (New York) | 3,954.53 mi (6,364.20 km) |
| Castelli Calepio to Rogers (Arkansas) | 5,067.77 mi (8,155.79 km) |
| Castelli Calepio to Rogers (Minnesota) | 4,622.63 mi (7,439.40 km) |
| Castelli Calepio to Rohnert Park (California) | 5,931.66 mi (9,546.08 km) |
| Castelli Calepio to Rolla (Missouri) | 4,894.85 mi (7,877.50 km) |
| Castelli Calepio to Rolling Meadows (Illinois) | 4,556.96 mi (7,333.71 km) |
| Castelli Calepio to Roma (Texas) | 5,761.59 mi (9,272.39 km) |
| Castelli Calepio to Rome (Georgia) | 4,797.48 mi (7,720.80 km) |
| Castelli Calepio to Rome (New York) | 4,004.48 mi (6,444.58 km) |
