| Peterborough to Rockville (Maryland) | 3,634.17 mi (5,848.63 km) |
| Peterborough to Rockville Centre (New York) | 3,421.73 mi (5,506.75 km) |
| Peterborough to Rockwall (Texas) | 4,690.72 mi (7,548.98 km) |
| Peterborough to Rocky Mount (North Carolina) | 3,806.32 mi (6,125.69 km) |
| Peterborough to Rocky Point (New York) | 3,381.53 mi (5,442.05 km) |
| Peterborough to Rocky River (Ohio) | 3,709.11 mi (5,969.23 km) |
| Peterborough to Roessleville (New York) | 3,338.97 mi (5,373.55 km) |
| Peterborough to Rogers (Arkansas) | 4,428.76 mi (7,127.40 km) |
| Peterborough to Rogers (Minnesota) | 3,968.00 mi (6,385.88 km) |
| Peterborough to Rohnert Park (California) | 5,271.94 mi (8,484.38 km) |
| Peterborough to Rolla (Missouri) | 4,256.57 mi (6,850.29 km) |
| Peterborough to Rolling Meadows (Illinois) | 3,915.30 mi (6,301.07 km) |
| Peterborough to Roma (Texas) | 5,134.97 mi (8,263.93 km) |
| Peterborough to Rome (Georgia) | 4,185.23 mi (6,735.47 km) |
| Peterborough to Rome (New York) | 3,382.92 mi (5,444.28 km) |
