| Castel Gandolfo to Rockville (Maryland) | 4,494.95 mi (7,233.92 km) |
| Castel Gandolfo to Rockville Centre (New York) | 4,279.18 mi (6,886.68 km) |
| Castel Gandolfo to Rockwall (Texas) | 5,594.28 mi (9,003.13 km) |
| Castel Gandolfo to Rocky Mount (North Carolina) | 4,648.41 mi (7,480.90 km) |
| Castel Gandolfo to Rocky Point (New York) | 4,238.13 mi (6,820.61 km) |
| Castel Gandolfo to Rocky River (Ohio) | 4,602.10 mi (7,406.36 km) |
| Castel Gandolfo to Roessleville (New York) | 4,211.61 mi (6,777.94 km) |
| Castel Gandolfo to Rogers (Arkansas) | 5,338.10 mi (8,590.84 km) |
| Castel Gandolfo to Rogers (Minnesota) | 4,906.42 mi (7,896.12 km) |
| Castel Gandolfo to Rohnert Park (California) | 6,230.85 mi (10,027.59 km) |
| Castel Gandolfo to Rolla (Missouri) | 5,164.89 mi (8,312.08 km) |
| Castel Gandolfo to Rolling Meadows (Illinois) | 4,829.98 mi (7,773.11 km) |
| Castel Gandolfo to Roma (Texas) | 6,021.87 mi (9,691.26 km) |
| Castel Gandolfo to Rome (Georgia) | 5,050.29 mi (8,127.66 km) |
| Castel Gandolfo to Rome (New York) | 4,265.08 mi (6,863.98 km) |
