| Irthlingborough to Rosemont (California) | 5,222.66 mi (8,405.06 km) |
| Irthlingborough to Rosemount (Minnesota) | 3,966.72 mi (6,383.82 km) |
| Irthlingborough to Rosenberg (Texas) | 4,836.52 mi (7,783.62 km) |
| Irthlingborough to Roseville (California) | 5,208.70 mi (8,382.60 km) |
| Irthlingborough to Roseville (Michigan) | 3,695.70 mi (5,947.66 km) |
| Irthlingborough to Roseville (Minnesota) | 3,957.07 mi (6,368.29 km) |
| Irthlingborough to Rossmoor (California) | 5,397.49 mi (8,686.42 km) |
| Irthlingborough to Rossville (Maryland) | 3,584.38 mi (5,768.51 km) |
| Irthlingborough to Roswell (Georgia) | 4,153.42 mi (6,684.29 km) |
| Irthlingborough to Roswell (New Mexico) | 4,959.65 mi (7,981.79 km) |
| Irthlingborough to Round Lake (Illinois) | 3,899.25 mi (6,275.24 km) |
| Irthlingborough to Round Lake Beach (Illinois) | 3,896.65 mi (6,271.05 km) |
| Irthlingborough to Round Rock (Texas) | 4,855.94 mi (7,814.88 km) |
| Irthlingborough to Rowland Heights (California) | 5,380.96 mi (8,659.82 km) |
| Irthlingborough to Rowlett (Texas) | 4,687.95 mi (7,544.53 km) |
