| Fort Leonard Wood to Oerlinghausen | 4,627.86 mi (7,447.82 km) |
| Fort Leonard Wood to Oestrich-Winkel | 4,676.62 mi (7,526.29 km) |
| Fort Leonard Wood to Offenburg | 4,731.73 mi (7,614.99 km) |
| Fort Leonard Wood to Oftersheim | 4,722.22 mi (7,599.69 km) |
| Fort Leonard Wood to Ohrdruf | 4,745.49 mi (7,637.13 km) |
| Fort Leonard Wood to Ohringen | 4,763.11 mi (7,665.48 km) |
| Fort Leonard Wood to Olbernhau | 4,844.99 mi (7,797.26 km) |
| Fort Leonard Wood to Olching | 4,870.53 mi (7,838.36 km) |
| Fort Leonard Wood to Oldenburg | 4,568.54 mi (7,352.35 km) |
| Fort Leonard Wood to Oldenburg in Holstein | 4,617.88 mi (7,431.76 km) |
| Fort Leonard Wood to Olfen | 4,590.62 mi (7,387.88 km) |
| Fort Leonard Wood to Olpe | 4,632.70 mi (7,455.61 km) |
| Fort Leonard Wood to Olsberg | 4,644.13 mi (7,474.00 km) |
| Fort Leonard Wood to Oranienburg | 4,757.80 mi (7,656.95 km) |
| Fort Leonard Wood to Ortenberg | 4,702.40 mi (7,567.77 km) |
