| Princeton to Olympia (Washington) | 2,746.28 mi (4,419.71 km) |
| Princeton to Olympia Heights (Florida) | 13.25 mi (21.32 km) |
| Princeton to Omaha (Nebraska) | 1,407.94 mi (2,265.86 km) |
| Princeton to On Top of the World Designated Place (Florida) | 272.32 mi (438.26 km) |
| Princeton to Onalaska (Wisconsin) | 1,405.68 mi (2,262.23 km) |
| Princeton to Oneida (New York) | 1,240.92 mi (1,997.07 km) |
| Princeton to Oneonta (New York) | 1,207.30 mi (1,942.96 km) |
| Princeton to Ontario (California) | 2,293.55 mi (3,691.12 km) |
| Princeton to Ontario (Oregon) | 2,408.14 mi (3,875.53 km) |
| Princeton to Opa-locka (Florida) | 26.40 mi (42.49 km) |
| Princeton to Opelika (Alabama) | 576.42 mi (927.66 km) |
| Princeton to Opelousas (Louisiana) | 790.88 mi (1,272.79 km) |
| Princeton to Orange (California) | 2,304.60 mi (3,708.89 km) |
| Princeton to Orange (Texas) | 875.03 mi (1,408.23 km) |
| Princeton to Orange City (Florida) | 240.88 mi (387.66 km) |
