| Peterborough to River Ridge (Louisiana) | 4,603.59 mi (7,408.76 km) |
| Peterborough to Riverbank (California) | 5,257.43 mi (8,461.01 km) |
| Peterborough to Riverdale (Georgia) | 4,189.24 mi (6,741.93 km) |
| Peterborough to Riverdale (Illinois) | 3,921.22 mi (6,310.59 km) |
| Peterborough to Riverside (California) | 5,368.13 mi (8,639.17 km) |
| Peterborough to Riverside (Ohio) | 3,875.57 mi (6,237.13 km) |
| Peterborough to Riverton (Utah) | 4,824.70 mi (7,764.61 km) |
| Peterborough to Riverton (Wyoming) | 4,574.68 mi (7,362.24 km) |
| Peterborough to Riverview (Florida) | 4,393.51 mi (7,070.68 km) |
| Peterborough to Riverview (Michigan) | 3,728.38 mi (6,000.25 km) |
| Peterborough to Riviera Beach (Florida) | 4,354.90 mi (7,008.54 km) |
| Peterborough to Riviera Beach (Maryland) | 3,605.35 mi (5,802.25 km) |
| Peterborough to Roanoke (Virginia) | 3,830.61 mi (6,164.77 km) |
| Peterborough to Roanoke Rapids (North Carolina) | 3,777.39 mi (6,079.12 km) |
| Peterborough to Robbinsdale (Minnesota) | 3,967.08 mi (6,384.40 km) |
