| New Port Richey East to Orangevale (California) | 2,315.13 mi (3,725.84 km) |
| New Port Richey East to Orchards (Washington) | 2,472.20 mi (3,978.63 km) |
| New Port Richey East to Orcutt (California) | 2,253.89 mi (3,627.28 km) |
| New Port Richey East to Oregon (Ohio) | 926.23 mi (1,490.62 km) |
| New Port Richey East to Oregon (Wisconsin) | 1,079.89 mi (1,737.92 km) |
| New Port Richey East to Oregon City (Oregon) | 2,468.92 mi (3,973.34 km) |
| New Port Richey East to Orem (Utah) | 1,841.48 mi (2,963.57 km) |
| New Port Richey East to Orinda (California) | 2,361.61 mi (3,800.64 km) |
| New Port Richey East to Orland Park (Illinois) | 967.04 mi (1,556.31 km) |
| New Port Richey East to Orlando (Florida) | 83.79 mi (134.85 km) |
| New Port Richey East to Ormond Beach (Florida) | 120.14 mi (193.35 km) |
| New Port Richey East to Oro Valley (Arizona) | 1,705.75 mi (2,745.13 km) |
| New Port Richey East to Oroville (California) | 2,340.04 mi (3,765.93 km) |
| New Port Richey East to Oshkosh (Wisconsin) | 1,136.44 mi (1,828.92 km) |
| New Port Richey East to Oskaloosa (Iowa) | 1,061.03 mi (1,707.57 km) |
