| Peterborough to Robertsville (New Jersey) | 3,462.52 mi (5,572.39 km) |
| Peterborough to Robinson (Texas) | 4,793.75 mi (7,714.80 km) |
| Peterborough to Robstown (Texas) | 5,009.27 mi (8,061.64 km) |
| Peterborough to Rochester (Michigan) | 3,701.94 mi (5,957.69 km) |
| Peterborough to Rochester (Minnesota) | 3,985.27 mi (6,413.67 km) |
| Peterborough to Rochester (New Hampshire) | 3,201.25 mi (5,151.92 km) |
| Peterborough to Rochester (New York) | 3,468.49 mi (5,581.99 km) |
| Peterborough to Rochester Hills (Michigan) | 3,704.34 mi (5,961.55 km) |
| Peterborough to Rock Hill (South Carolina) | 3,985.71 mi (6,414.39 km) |
| Peterborough to Rock Island (Illinois) | 4,039.19 mi (6,500.45 km) |
| Peterborough to Rock Springs (Wyoming) | 4,678.46 mi (7,529.25 km) |
| Peterborough to Rockford (Illinois) | 3,945.10 mi (6,349.02 km) |
| Peterborough to Rockledge (Florida) | 4,303.71 mi (6,926.15 km) |
| Peterborough to Rocklin (California) | 5,203.39 mi (8,374.04 km) |
| Peterborough to Rockport (Texas) | 4,973.62 mi (8,004.27 km) |
