| Norristown to Robertsville (New Jersey) | 57.17 mi (92.01 km) |
| Norristown to Robinson (Texas) | 1,354.92 mi (2,180.54 km) |
| Norristown to Robstown (Texas) | 1,530.25 mi (2,462.70 km) |
| Norristown to Rochester (Michigan) | 440.17 mi (708.39 km) |
| Norristown to Rochester (Minnesota) | 917.29 mi (1,476.23 km) |
| Norristown to Rochester (New Hampshire) | 314.19 mi (505.63 km) |
| Norristown to Rochester (New York) | 241.00 mi (387.85 km) |
| Norristown to Rochester Hills (Michigan) | 441.36 mi (710.29 km) |
| Norristown to Rock Hill (South Carolina) | 474.27 mi (763.27 km) |
| Norristown to Rock Island (Illinois) | 801.66 mi (1,290.14 km) |
| Norristown to Rock Springs (Wyoming) | 1,762.06 mi (2,835.77 km) |
| Norristown to Rockford (Illinois) | 727.83 mi (1,171.33 km) |
| Norristown to Rockledge (Florida) | 871.31 mi (1,402.24 km) |
| Norristown to Rocklin (California) | 2,422.96 mi (3,899.38 km) |
| Norristown to Rockport (Texas) | 1,491.82 mi (2,400.86 km) |
