| Castel Gandolfo to Robertsville (New Jersey) | 4,320.29 mi (6,952.84 km) |
| Castel Gandolfo to Robinson (Texas) | 5,693.93 mi (9,163.49 km) |
| Castel Gandolfo to Robstown (Texas) | 5,896.33 mi (9,489.22 km) |
| Castel Gandolfo to Rochester (Michigan) | 4,605.36 mi (7,411.61 km) |
| Castel Gandolfo to Rochester (Minnesota) | 4,917.98 mi (7,914.72 km) |
| Castel Gandolfo to Rochester (New Hampshire) | 4,068.01 mi (6,546.83 km) |
| Castel Gandolfo to Rochester (New York) | 4,357.36 mi (7,012.49 km) |
| Castel Gandolfo to Rochester Hills (Michigan) | 4,607.76 mi (7,415.47 km) |
| Castel Gandolfo to Rock Hill (South Carolina) | 4,836.02 mi (7,782.82 km) |
| Castel Gandolfo to Rock Island (Illinois) | 4,958.34 mi (7,979.67 km) |
| Castel Gandolfo to Rock Springs (Wyoming) | 5,632.77 mi (9,065.06 km) |
| Castel Gandolfo to Rockford (Illinois) | 4,863.35 mi (7,826.81 km) |
| Castel Gandolfo to Rockledge (Florida) | 5,107.04 mi (8,218.98 km) |
| Castel Gandolfo to Rocklin (California) | 6,162.42 mi (9,917.46 km) |
| Castel Gandolfo to Rockport (Texas) | 5,859.14 mi (9,429.38 km) |
