| West Chicago to Oststeinbek | 4,269.94 mi (6,871.80 km) |
| West Chicago to Ottendorf-Okrilla | 4,490.06 mi (7,226.06 km) |
| West Chicago to Ottersberg | 4,251.56 mi (6,842.23 km) |
| West Chicago to Ottobrunn | 4,540.26 mi (7,306.84 km) |
| West Chicago to Ottweiler | 4,320.67 mi (6,953.45 km) |
| West Chicago to Overath | 4,265.95 mi (6,865.39 km) |
| West Chicago to Oyten | 4,248.41 mi (6,837.16 km) |
| West Chicago to Paderborn | 4,289.70 mi (6,903.60 km) |
| West Chicago to Papenburg | 4,191.44 mi (6,745.47 km) |
| West Chicago to Parchim | 4,331.75 mi (6,971.28 km) |
| West Chicago to Pasewalk | 4,401.37 mi (7,083.32 km) |
| West Chicago to Passau | 4,585.31 mi (7,379.35 km) |
| West Chicago to Pattensen | 4,304.74 mi (6,927.81 km) |
| West Chicago to Pegnitz | 4,467.02 mi (7,188.98 km) |
| West Chicago to Peine | 4,319.08 mi (6,950.89 km) |