| Parkway to Ridgeland (Mississippi) | 1,801.66 mi (2,899.50 km) |
| Parkway to Ridgewood (New Jersey) | 2,490.05 mi (4,007.35 km) |
| Parkway to Rifle (Colorado) | 737.09 mi (1,186.23 km) |
| Parkway to Rincon (Georgia) | 2,286.72 mi (3,680.12 km) |
| Parkway to Ringwood (New Jersey) | 2,480.01 mi (3,991.19 km) |
| Parkway to Río Grande (Puerto Rico) | 3,592.49 mi (5,781.56 km) |
| Parkway to Rio Grande City (Texas) | 1,556.11 mi (2,504.32 km) |
| Parkway to Rio Linda (California) | 13.02 mi (20.95 km) |
| Parkway to Rio Rancho (New Mexico) | 843.86 mi (1,358.07 km) |
| Parkway to Rio Rico (Arizona) | 763.87 mi (1,229.33 km) |
| Parkway to Ripon (California) | 55.18 mi (88.80 km) |
| Parkway to River Edge (New Jersey) | 2,494.62 mi (4,014.70 km) |
| Parkway to River Falls (Wisconsin) | 1,541.95 mi (2,481.52 km) |
| Parkway to River Forest (Illinois) | 1,778.88 mi (2,862.83 km) |
| Parkway to River Grove (Illinois) | 1,777.80 mi (2,861.09 km) |
