| Parkway to River Ridge (Louisiana) | 1,868.64 mi (3,007.29 km) |
| Parkway to Riverbank (California) | 60.16 mi (96.82 km) |
| Parkway to Riverdale (Georgia) | 2,083.34 mi (3,352.82 km) |
| Parkway to Riverdale (Illinois) | 1,789.50 mi (2,879.92 km) |
| Parkway to Riverside (California) | 387.80 mi (624.10 km) |
| Parkway to Riverside (Ohio) | 1,987.87 mi (3,199.17 km) |
| Parkway to Riverton (Utah) | 524.37 mi (843.90 km) |
| Parkway to Riverton (Wyoming) | 749.86 mi (1,206.78 km) |
| Parkway to Riverview (Florida) | 2,361.43 mi (3,800.36 km) |
| Parkway to Riverview (Michigan) | 2,013.81 mi (3,240.92 km) |
| Parkway to Riviera Beach (Florida) | 2,515.97 mi (4,049.06 km) |
| Parkway to Riviera Beach (Maryland) | 2,393.29 mi (3,851.63 km) |
| Parkway to Roanoke (Virginia) | 2,244.85 mi (3,612.73 km) |
| Parkway to Roanoke Rapids (North Carolina) | 2,383.43 mi (3,835.76 km) |
| Parkway to Robbinsdale (Minnesota) | 1,508.93 mi (2,428.39 km) |
