| Princeton to Rockville (Maryland) | 954.55 mi (1,536.19 km) |
| Princeton to Rockville Centre (New York) | 1,114.90 mi (1,794.26 km) |
| Princeton to Rockwall (Texas) | 1,091.45 mi (1,756.52 km) |
| Princeton to Rocky Mount (North Carolina) | 736.74 mi (1,185.67 km) |
| Princeton to Rocky Point (New York) | 1,146.67 mi (1,845.38 km) |
| Princeton to Rocky River (Ohio) | 1,103.84 mi (1,776.46 km) |
| Princeton to Roessleville (New York) | 1,243.09 mi (2,000.55 km) |
| Princeton to Rogers (Arkansas) | 1,101.95 mi (1,773.42 km) |
| Princeton to Rogers (Minnesota) | 1,542.67 mi (2,482.69 km) |
| Princeton to Rohnert Park (California) | 2,607.05 mi (4,195.64 km) |
| Princeton to Rolla (Missouri) | 1,084.64 mi (1,745.56 km) |
| Princeton to Rolling Meadows (Illinois) | 1,222.21 mi (1,966.95 km) |
| Princeton to Roma (Texas) | 1,156.43 mi (1,861.10 km) |
| Princeton to Rome (Georgia) | 667.46 mi (1,074.17 km) |
| Princeton to Rome (New York) | 1,253.02 mi (2,016.54 km) |
