| Trenton to Odenton (Maryland) | 130.14 mi (209.44 km) |
| Trenton to Odessa (Texas) | 1,636.78 mi (2,634.15 km) |
| Trenton to Ogden (Utah) | 1,934.34 mi (3,113.02 km) |
| Trenton to Oildale (California) | 2,413.28 mi (3,883.80 km) |
| Trenton to Ojus (Florida) | 1,033.53 mi (1,663.30 km) |
| Trenton to Okemos (Michigan) | 527.85 mi (849.49 km) |
| Trenton to Oklahoma City (Oklahoma) | 1,280.03 mi (2,060.00 km) |
| Trenton to Okmulgee (Oklahoma) | 1,197.60 mi (1,927.35 km) |
| Trenton to Olathe (Kansas) | 1,070.15 mi (1,722.24 km) |
| Trenton to Old Jamestown (Missouri) | 831.52 mi (1,338.20 km) |
| Trenton to Oldsmar (Florida) | 953.88 mi (1,535.12 km) |
| Trenton to Olean (New York) | 229.96 mi (370.09 km) |
| Trenton to Olive Branch (Mississippi) | 900.71 mi (1,449.55 km) |
| Trenton to Olivehurst (California) | 2,461.18 mi (3,960.89 km) |
| Trenton to Olney (Maryland) | 143.49 mi (230.93 km) |
