| Carson City to Oberkirch | 5,589.66 mi (8,995.69 km) |
| Carson City to Obernburg am Main | 5,548.02 mi (8,928.67 km) |
| Carson City to Obernkirchen | 5,415.11 mi (8,714.77 km) |
| Carson City to Oberschleissheim | 5,701.79 mi (9,176.14 km) |
| Carson City to Oberstdorf | 5,713.11 mi (9,194.37 km) |
| Carson City to Obertraubling | 5,677.72 mi (9,137.40 km) |
| Carson City to Obertshausen | 5,527.24 mi (8,895.24 km) |
| Carson City to Oberursel | 5,512.81 mi (8,872.01 km) |
| Carson City to Ochsenfurt | 5,583.55 mi (8,985.86 km) |
| Carson City to Ochsenhausen | 5,667.27 mi (9,120.60 km) |
| Carson City to Ochtrup | 5,367.37 mi (8,637.95 km) |
| Carson City to Odenthal | 5,428.03 mi (8,735.57 km) |
| Carson City to Oelde | 5,413.05 mi (8,711.46 km) |
| Carson City to Oelsnitz | 5,596.29 mi (9,006.36 km) |
| Carson City to Oer-Erkenschwick | 5,399.12 mi (8,689.04 km) |
