| Trenton to Orangeburg (South Carolina) | 574.22 mi (924.11 km) |
| Trenton to Orangevale (California) | 2,452.02 mi (3,946.14 km) |
| Trenton to Orchards (Washington) | 2,408.31 mi (3,875.80 km) |
| Trenton to Orcutt (California) | 2,500.66 mi (4,024.42 km) |
| Trenton to Oregon (Ohio) | 462.85 mi (744.88 km) |
| Trenton to Oregon (Wisconsin) | 777.54 mi (1,251.33 km) |
| Trenton to Oregon City (Oregon) | 2,414.90 mi (3,886.40 km) |
| Trenton to Orem (Utah) | 1,933.05 mi (3,110.94 km) |
| Trenton to Orinda (California) | 2,518.83 mi (4,053.66 km) |
| Trenton to Orland Park (Illinois) | 689.83 mi (1,110.17 km) |
| Trenton to Orlando (Florida) | 893.33 mi (1,437.67 km) |
| Trenton to Ormond Beach (Florida) | 835.59 mi (1,344.75 km) |
| Trenton to Oro Valley (Arizona) | 2,071.11 mi (3,333.12 km) |
| Trenton to Oroville (California) | 2,453.10 mi (3,947.88 km) |
| Trenton to Oshkosh (Wisconsin) | 753.10 mi (1,211.99 km) |
