| Parkway to Romeoville (Illinois) | 1,765.71 mi (2,841.64 km) |
| Parkway to Romulus (Michigan) | 2,004.73 mi (3,226.30 km) |
| Parkway to Ronkonkoma (New York) | 2,543.10 mi (4,092.72 km) |
| Parkway to Roosevelt (New York) | 2,521.52 mi (4,057.99 km) |
| Parkway to Rosamond (California) | 308.47 mi (496.44 km) |
| Parkway to Rosaryville (Maryland) | 2,384.07 mi (3,836.78 km) |
| Parkway to Roscoe (Illinois) | 1,716.25 mi (2,762.04 km) |
| Parkway to Rose Hill (Virginia) | 2,368.99 mi (3,812.53 km) |
| Parkway to Roseburg (Oregon) | 341.12 mi (548.98 km) |
| Parkway to Rosedale (California) | 248.13 mi (399.33 km) |
| Parkway to Rosedale (Maryland) | 2,391.56 mi (3,848.85 km) |
| Parkway to Roselle (Illinois) | 1,764.83 mi (2,840.22 km) |
| Parkway to Roselle (New Jersey) | 2,487.32 mi (4,002.96 km) |
| Parkway to Roselle Park (New Jersey) | 2,486.79 mi (4,002.11 km) |
| Parkway to Rosemead (California) | 358.99 mi (577.75 km) |
