| Carson City to Oerlinghausen | 5,419.55 mi (8,721.92 km) |
| Carson City to Oestrich-Winkel | 5,507.95 mi (8,864.20 km) |
| Carson City to Offenburg | 5,589.00 mi (8,994.63 km) |
| Carson City to Oftersheim | 5,558.28 mi (8,945.19 km) |
| Carson City to Ohrdruf | 5,536.19 mi (8,909.64 km) |
| Carson City to Ohringen | 5,592.86 mi (9,000.84 km) |
| Carson City to Olbernhau | 5,611.85 mi (9,031.40 km) |
| Carson City to Olching | 5,697.81 mi (9,169.73 km) |
| Carson City to Oldenburg | 5,344.09 mi (8,600.49 km) |
| Carson City to Oldenburg in Holstein | 5,348.22 mi (8,607.13 km) |
| Carson City to Olfen | 5,398.72 mi (8,688.40 km) |
| Carson City to Olpe | 5,448.53 mi (8,768.56 km) |
| Carson City to Olsberg | 5,448.08 mi (8,767.84 km) |
| Carson City to Oranienburg | 5,491.46 mi (8,837.65 km) |
| Carson City to Ortenberg | 5,517.52 mi (8,879.60 km) |
