| Castel Gandolfo to Romeoville (Illinois) | 4,852.13 mi (7,808.75 km) |
| Castel Gandolfo to Romulus (Michigan) | 4,634.37 mi (7,458.31 km) |
| Castel Gandolfo to Ronkonkoma (New York) | 4,251.31 mi (6,841.81 km) |
| Castel Gandolfo to Roosevelt (New York) | 4,276.20 mi (6,881.88 km) |
| Castel Gandolfo to Rosamond (California) | 6,297.24 mi (10,134.42 km) |
| Castel Gandolfo to Rosaryville (Maryland) | 4,492.82 mi (7,230.50 km) |
| Castel Gandolfo to Roscoe (Illinois) | 4,853.92 mi (7,811.62 km) |
| Castel Gandolfo to Rose Hill (Virginia) | 4,504.52 mi (7,249.33 km) |
| Castel Gandolfo to Roseburg (Oregon) | 5,961.36 mi (9,593.88 km) |
| Castel Gandolfo to Rosedale (California) | 6,298.65 mi (10,136.70 km) |
| Castel Gandolfo to Rosedale (Maryland) | 4,456.88 mi (7,172.66 km) |
| Castel Gandolfo to Roselle (Illinois) | 4,836.47 mi (7,783.55 km) |
| Castel Gandolfo to Roselle (New Jersey) | 4,307.06 mi (6,931.55 km) |
| Castel Gandolfo to Roselle Park (New Jersey) | 4,306.89 mi (6,931.27 km) |
| Castel Gandolfo to Rosemead (California) | 6,338.38 mi (10,200.64 km) |
