| Philadelphia to Robertsville (New Jersey) | 49.92 mi (80.34 km) |
| Philadelphia to Robinson (Texas) | 1,362.61 mi (2,192.91 km) |
| Philadelphia to Robstown (Texas) | 1,536.42 mi (2,472.63 km) |
| Philadelphia to Rochester (Michigan) | 453.45 mi (729.76 km) |
| Philadelphia to Rochester (Minnesota) | 930.40 mi (1,497.34 km) |
| Philadelphia to Rochester (New Hampshire) | 312.53 mi (502.98 km) |
| Philadelphia to Rochester (New York) | 253.22 mi (407.52 km) |
| Philadelphia to Rochester Hills (Michigan) | 454.63 mi (731.65 km) |
| Philadelphia to Rock Hill (South Carolina) | 476.05 mi (766.13 km) |
| Philadelphia to Rock Island (Illinois) | 813.94 mi (1,309.92 km) |
| Philadelphia to Rock Springs (Wyoming) | 1,774.60 mi (2,855.94 km) |
| Philadelphia to Rockford (Illinois) | 740.52 mi (1,191.75 km) |
| Philadelphia to Rockledge (Florida) | 868.21 mi (1,397.25 km) |
| Philadelphia to Rocklin (California) | 2,435.37 mi (3,919.35 km) |
| Philadelphia to Rockport (Texas) | 1,497.91 mi (2,410.65 km) |
