| Longford to Romeoville (Illinois) | 3,620.69 mi (5,826.94 km) |
| Longford to Romulus (Michigan) | 3,412.04 mi (5,491.14 km) |
| Longford to Ronkonkoma (New York) | 3,071.59 mi (4,943.24 km) |
| Longford to Roosevelt (New York) | 3,095.51 mi (4,981.75 km) |
| Longford to Rosamond (California) | 5,047.25 mi (8,122.76 km) |
| Longford to Rosaryville (Maryland) | 3,312.25 mi (5,330.55 km) |
| Longford to Roscoe (Illinois) | 3,618.02 mi (5,822.63 km) |
| Longford to Rose Hill (Virginia) | 3,322.62 mi (5,347.24 km) |
| Longford to Roseburg (Oregon) | 4,734.31 mi (7,619.14 km) |
| Longford to Rosedale (California) | 5,050.09 mi (8,127.34 km) |
| Longford to Rosedale (Maryland) | 3,273.79 mi (5,268.65 km) |
| Longford to Roselle (Illinois) | 3,603.88 mi (5,799.89 km) |
| Longford to Roselle (New Jersey) | 3,123.83 mi (5,027.31 km) |
| Longford to Roselle Park (New Jersey) | 3,123.53 mi (5,026.84 km) |
| Longford to Rosemead (California) | 5,087.75 mi (8,187.94 km) |
