| Parkway to Robertsville (New Jersey) | 2,490.29 mi (4,007.73 km) |
| Parkway to Robinson (Texas) | 1,455.85 mi (2,342.97 km) |
| Parkway to Robstown (Texas) | 1,555.38 mi (2,503.14 km) |
| Parkway to Rochester (Michigan) | 2,014.32 mi (3,241.74 km) |
| Parkway to Rochester (Minnesota) | 1,543.73 mi (2,484.40 km) |
| Parkway to Rochester (New Hampshire) | 2,616.49 mi (4,210.83 km) |
| Parkway to Rochester (New York) | 2,287.74 mi (3,681.76 km) |
| Parkway to Rochester Hills (Michigan) | 2,012.60 mi (3,238.97 km) |
| Parkway to Rock Hill (South Carolina) | 2,234.48 mi (3,596.06 km) |
| Parkway to Rock Island (Illinois) | 1,638.28 mi (2,636.56 km) |
| Parkway to Rock Springs (Wyoming) | 680.65 mi (1,095.40 km) |
| Parkway to Rockford (Illinois) | 1,713.83 mi (2,758.14 km) |
| Parkway to Rockledge (Florida) | 2,429.62 mi (3,910.10 km) |
| Parkway to Rocklin (California) | 23.95 mi (38.54 km) |
| Parkway to Rockport (Texas) | 1,576.50 mi (2,537.14 km) |
