| Norristown to Rosemont (California) | 2,433.77 mi (3,916.77 km) |
| Norristown to Rosemount (Minnesota) | 956.37 mi (1,539.13 km) |
| Norristown to Rosenberg (Texas) | 1,367.21 mi (2,200.30 km) |
| Norristown to Roseville (California) | 2,427.35 mi (3,906.45 km) |
| Norristown to Roseville (Michigan) | 427.10 mi (687.35 km) |
| Norristown to Roseville (Minnesota) | 965.00 mi (1,553.02 km) |
| Norristown to Rossmoor (California) | 2,376.72 mi (3,824.96 km) |
| Norristown to Rossville (Maryland) | 80.28 mi (129.19 km) |
| Norristown to Roswell (Georgia) | 650.07 mi (1,046.19 km) |
| Norristown to Roswell (New Mexico) | 1,673.44 mi (2,693.15 km) |
| Norristown to Round Lake (Illinois) | 680.14 mi (1,094.58 km) |
| Norristown to Round Lake Beach (Illinois) | 679.27 mi (1,093.17 km) |
| Norristown to Round Rock (Texas) | 1,416.78 mi (2,280.08 km) |
| Norristown to Rowland Heights (California) | 2,361.78 mi (3,800.91 km) |
| Norristown to Rowlett (Texas) | 1,274.52 mi (2,051.15 km) |
