| New Port Richey East to Oberkirch | 4,815.97 mi (7,750.56 km) |
| New Port Richey East to Obernburg am Main | 4,829.57 mi (7,772.45 km) |
| New Port Richey East to Obernkirchen | 4,771.43 mi (7,678.88 km) |
| New Port Richey East to Oberschleissheim | 4,971.96 mi (8,001.60 km) |
| New Port Richey East to Oberstdorf | 4,938.63 mi (7,947.96 km) |
| New Port Richey East to Obertraubling | 4,978.27 mi (8,011.74 km) |
| New Port Richey East to Obertshausen | 4,811.30 mi (7,743.05 km) |
| New Port Richey East to Oberursel | 4,797.41 mi (7,720.68 km) |
| New Port Richey East to Ochsenfurt | 4,872.86 mi (7,842.11 km) |
| New Port Richey East to Ochsenhausen | 4,907.40 mi (7,897.70 km) |
| New Port Richey East to Ochtrup | 4,695.60 mi (7,556.83 km) |
| New Port Richey East to Odenthal | 4,718.10 mi (7,593.04 km) |
| New Port Richey East to Oelde | 4,742.47 mi (7,632.26 km) |
| New Port Richey East to Oelsnitz | 4,939.92 mi (7,950.04 km) |
| New Port Richey East to Oer-Erkenschwick | 4,710.25 mi (7,580.42 km) |
