| Castel Gandolfo to Reidsville (North Carolina) | 4,717.30 mi (7,591.75 km) |
| Castel Gandolfo to Reisterstown (Maryland) | 4,465.36 mi (7,186.31 km) |
| Castel Gandolfo to Rendon (Texas) | 5,643.67 mi (9,082.60 km) |
| Castel Gandolfo to Reno (Nevada) | 6,078.59 mi (9,782.54 km) |
| Castel Gandolfo to Renton (Washington) | 5,681.74 mi (9,143.87 km) |
| Castel Gandolfo to Republic (Missouri) | 5,270.46 mi (8,481.99 km) |
| Castel Gandolfo to Reston (Virginia) | 4,508.63 mi (7,255.93 km) |
| Castel Gandolfo to Revere (Massachusetts) | 4,099.72 mi (6,597.86 km) |
| Castel Gandolfo to Rexburg (Idaho) | 5,595.94 mi (9,005.80 km) |
| Castel Gandolfo to Reynoldsburg (Ohio) | 4,703.71 mi (7,569.89 km) |
| Castel Gandolfo to Rialto (California) | 6,313.07 mi (10,159.91 km) |
| Castel Gandolfo to Richardson (Texas) | 5,602.88 mi (9,016.96 km) |
| Castel Gandolfo to Richfield (Minnesota) | 4,909.46 mi (7,901.02 km) |
| Castel Gandolfo to Richfield (Wisconsin) | 4,788.50 mi (7,706.35 km) |
| Castel Gandolfo to Richland (Washington) | 5,676.02 mi (9,134.66 km) |
