| Peterborough to Rosemont (California) | 5,221.60 mi (8,403.35 km) |
| Peterborough to Rosemount (Minnesota) | 3,971.07 mi (6,390.81 km) |
| Peterborough to Rosenberg (Texas) | 4,844.65 mi (7,796.72 km) |
| Peterborough to Roseville (California) | 5,207.60 mi (8,380.83 km) |
| Peterborough to Roseville (Michigan) | 3,703.16 mi (5,959.67 km) |
| Peterborough to Roseville (Minnesota) | 3,961.30 mi (6,375.10 km) |
| Peterborough to Rossmoor (California) | 5,398.42 mi (8,687.92 km) |
| Peterborough to Rossville (Maryland) | 3,594.46 mi (5,784.72 km) |
| Peterborough to Roswell (Georgia) | 4,163.28 mi (6,700.15 km) |
| Peterborough to Roswell (New Mexico) | 4,964.45 mi (7,989.52 km) |
| Peterborough to Round Lake (Illinois) | 3,905.57 mi (6,285.40 km) |
| Peterborough to Round Lake Beach (Illinois) | 3,902.96 mi (6,281.20 km) |
| Peterborough to Round Rock (Texas) | 4,863.33 mi (7,826.78 km) |
| Peterborough to Rowland Heights (California) | 5,381.90 mi (8,661.33 km) |
| Peterborough to Rowlett (Texas) | 4,695.01 mi (7,555.88 km) |
