| Parker to River Ridge (Louisiana) | 1,055.12 mi (1,698.05 km) |
| Parker to Riverbank (California) | 880.25 mi (1,416.62 km) |
| Parker to Riverdale (Georgia) | 1,199.60 mi (1,930.57 km) |
| Parker to Riverdale (Illinois) | 909.88 mi (1,464.31 km) |
| Parker to Riverside (California) | 796.76 mi (1,282.26 km) |
| Parker to Riverside (Ohio) | 1,096.52 mi (1,764.68 km) |
| Parker to Riverton (Utah) | 386.62 mi (622.20 km) |
| Parker to Riverton (Wyoming) | 308.67 mi (496.76 km) |
| Parker to Riverview (Florida) | 1,517.17 mi (2,441.65 km) |
| Parker to Riverview (Michigan) | 1,139.81 mi (1,834.35 km) |
| Parker to Riviera Beach (Florida) | 1,669.28 mi (2,686.45 km) |
| Parker to Riviera Beach (Maryland) | 1,503.62 mi (2,419.84 km) |
| Parker to Roanoke (Virginia) | 1,348.41 mi (2,170.06 km) |
| Parker to Roanoke Rapids (North Carolina) | 1,486.74 mi (2,392.68 km) |
| Parker to Robbinsdale (Minnesota) | 697.26 mi (1,122.13 km) |
