| South Milwaukee to Oststeinbek | 4,205.44 mi (6,768.01 km) |
| South Milwaukee to Ottendorf-Okrilla | 4,425.99 mi (7,122.95 km) |
| South Milwaukee to Ottersberg | 4,187.54 mi (6,739.20 km) |
| South Milwaukee to Ottobrunn | 4,478.51 mi (7,207.47 km) |
| South Milwaukee to Ottweiler | 4,259.42 mi (6,854.87 km) |
| South Milwaukee to Overath | 4,203.66 mi (6,765.14 km) |
| South Milwaukee to Oyten | 4,184.44 mi (6,734.21 km) |
| South Milwaukee to Paderborn | 4,226.57 mi (6,802.01 km) |
| South Milwaukee to Papenburg | 4,127.83 mi (6,643.11 km) |
| South Milwaukee to Parchim | 4,266.96 mi (6,867.01 km) |
| South Milwaukee to Pasewalk | 4,336.07 mi (6,978.22 km) |
| South Milwaukee to Passau | 4,522.76 mi (7,278.67 km) |
| South Milwaukee to Pattensen | 4,241.06 mi (6,825.32 km) |
| South Milwaukee to Pegnitz | 4,404.33 mi (7,088.08 km) |
| South Milwaukee to Peine | 4,255.26 mi (6,848.18 km) |
